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*** Welcome to Mineral Classics! Monday, September 25, 2017... Our database contains 2562 specimens, encompassing 176 species... Please be sure to check out our new fully searchable database feature (click on the Search Site button on the left side of the screen)




World Wide Minerals, New Finds and Pieces from Our Collection

The second part of our update featuring new acquisitions from the Tucson Show.  Be sure to look out for the rarely seen GREEN colored Petrified Wood from the Petrified Forest in Gokwe, Zimbabwe, along with an unusual Fluorite with GALENA inclusions from Morocco, plus a newly mined beautiful pink Mangaoan Calcite from Bulgaria.  Enjoy!



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Copper Copper Copper Copper


No. TUC31710 - $ 1200.00 (=~ ¥ 131868.13)

Copper "Skull"

Locality: Centennial Mine, Houghton County, Michigan

Specimen Size: 14.5 x 11.8 x 9.3 cm (cabinet)


ex.  Dave Bergman


From the collection of my grandfather, Dave Bergman, we have a unique old classic from the upper peninsula of Michigan. For those who don't know, Dave Bergman was the foreman and operated the Sweet Home Mine for my father in the late 1970s when they were mining world-class Rhodochrosite specimens. This piece is a really interesting example of the famous Coppper "skulls" from Michigan, which formed as a result of Copper flowing over rounded conglomerate, which later disappeared leaving only the hollow shells of Copper behind. What makes this piece stand out from others I've seen from this area is the fact that it doesn't feature a lone "skull" but rather a semi-"flower"-shaped group featuring a few "skulls" with isolated "petals" of Copper flaring out from the sides. The piece has outstanding three dimensional form and looks amazing from several angles. It's rare to find multiple "skulls" on one piece, let alone a large showy group with such eye-catching form. To top it off, the piece has a rich bronze patina all the way around which is a great characteristic of these old time specimens. I love how beautifully the piece sits and displays on its own without the aid of a base or clay. This is a special piece, not only because it came from my grandfather, but because it truly does not resemble any other Copper "skull" specimen I've seen from this tremendously rich and historic mining district.  For reference, my grandfather acquired this specimen from the estate of Waldo Butler.  Waldo acquired it from the estate of his father, Bert S. Butler, the famed author of the USGS Professional Paper 144 "The copper deposits of Michigan" from 1929



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(click on the pictures to enlarge)

Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713a.JPG] Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713b.JPG] Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713c.JPG] Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713d.JPG] Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713e.JPG] Descloizite (fine crystals) from Otavi, Otjozondjupa Region, Namibia [./tuc3172/tuc31713f.JPG]


No. TUC31713 - $ 250.00 (=~ ¥ 27472.53)

Descloizite (fine crystals)

Locality: Otavi, Otjozondjupa Region, Namibia

Specimen Size: 4.0 x 2.2 x 2.1 cm (miniature)
Largest Crystal: 4 mm


A wonderful display specimen of the beloved lead zinc vanadate, Descloizite, not from the famous locality at Berg Aukus, but rather from Otavi (no specific mine was given, but it could be from the Auros Farm location). Obviously Berg Aukus has larger crystals of Descloizite, but the quality on this piece is truly superb for the species, even in the smaller size. The sharp, scintillating, very dark brown (nearly black), rather lustrous, resinous orthorhombic crysals are sprinkled on the beautifully contrasting cream colored, pearly, curved rhombic Dolomite matrix. The crystals are distinctive, very well-formed, and somewhat isolated, which is quite rare in my experience with this kind of material. This a lovely piece that really caught my eye in terms of quality, and would make a nice addition to any collection.



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(click on the pictures to enlarge)

Descloizite ( Descloizite ( Descloizite ( Descloizite ( Descloizite ( Descloizite (


No. TUC31718 - $ 400.00 (=~ ¥ 43956.04)

Descloizite ("cast")

Locality: Berg Aukus, Grootfontein District, Otjozondjupa Region, Namibia

Specimen Size: 4.9 x 4.3 x 4.2 cm (miniature)


Berg Aukus is world-renowned for its extraordinary Descloizite specimens. These pieces have set the standard of excellence for this zinc analogue of Mottramite. It is because of Berg Aukus that we know how good Descloizite crystals can actually get. This piece is a beautiful "mound" of Descloizite hosting dozens, if not hundreds, of fine, tabular, sharp, lustrous, semi-metallic brown color, "rosette"-shaped crystals which have formed on a hollow "cast" after an unknown preexisting mineral. If you flip the piece over, you can clearly see a big cavity in the center where another mineral was dissolved away. The display side is in excellent condition, and even though there are a few slight bruises on a handful of the crystals on the back, it is still a notable specimen for its crystal quality, and the fact that it formed in such an interesting way.



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Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719a.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719b.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719c.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719d.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719e.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719f.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719g.JPG] Fluorite with Galena inclusions from Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31719h.JPG]


No. TUC31719 - $ 300.00 (=~ ¥ 32967.03)

Fluorite with Galena inclusions

Locality: Chebka sidi Said, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco

Specimen Size: 7.2 x 5.6 x 3.1 cm (small cabinet)
Largest Crystal: 1.1 cm


A rarity for Fluorite, especially from Morocco. This piece hosts dozens of sharp, well-formed, gemmy, golden cubic Fluorite crystals which measure up to 1.1 cm, but the most interesting aspect of the piece is that the Fluorites are included with small silvery crystals of Galena sitting on Quartz matrix. There are also some Galena crystals ON the Fluorites, so they obviously formed in tandem, but the fact that you can distinctly see actual Galena crystals inside of Fluorite is rare in my experience. I can remember seeing Galena and Fluorite combos from the English lead mines, but not quite in the same style as this piece. If you collect Fluorites, this is a unique novelty that would be worth adding to your collection.



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Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720a.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720b.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720c.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720d.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720e.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720f.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31720g.JPG]


No. TUC31720 - SOLD

Petrified Wood (rare color)

Locality: Petrified Forest, Gokwe South, Midlands, Zimbabwe

Specimen Size: 8.1 x 5.2 x 1.8 cm (small cabinet)


We don't sell a lot of fossilized material, but we found these at the Tucson Show and couldn't pass them up due to their unique and alluring color. Petrified wood is found in a wide range of colors, but green is certainly rare worldwide. Originally I was told that the color is caused by nickel content (then another source said it could be vanadium), but it's not dyed, as you can clearly see solid green patches on the back (unpolished side) of the piece. The form of the original tree is clearly seen and well-preserved. The species is Woodworthia sp., which is a primitive conifer from the Triassic epoch dating back approximately 200 million years. Beautiful material and certainly different from your run of the mill petrified wood.



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Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721a.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721b.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721c.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721d.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721e.JPG] Petrified Wood (rare color) from Petrified Forest, Gokwe South, Midlands, Zimbabwe [./tuc3172/tuc31721f.JPG]


No. TUC31721 - $ 150.00 (=~ ¥ 16483.52)

Petrified Wood (rare color)

Locality: Petrified Forest, Gokwe South, Midlands, Zimbabwe

Specimen Size: 6.0 x 4.8 x 1.5 cm (small cabinet)


We don't sell a lot of fossilized material, but we found these at the Tucson Show and couldn't pass them up due to their unique and alluring color. Petrified wood is found in a wide range of colors, but green is certainly rare worldwide. IOriginally I was told that the color is caused by nickel content (then another source said it could be vanadium), but it's definitely not dyed. The form of the original tree is clearly seen and well-preserved. The species is Woodworthia sp., which is a primitive conifer from the Triassic epoch dating back approximately 200 million years. Beautiful material and certainly different from your run of the mill petrified wood.



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Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722a.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722b.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722c.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722d.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722e.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722f.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722g.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722h.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722i.JPG] Calcite from Bisbee, Cochise County, Arizona [./tuc3172/tuc31722j.JPG]


No. TUC31722 - $ 700.00 (=~ ¥ 76923.08)

Calcite

Locality: Bisbee, Cochise County, Arizona

Specimen Size: 13.2 x 7.4 x 6.1 cm (cabinet)
Largest Crystal: 4.0 cm.


A gorgeous and aesthetic display specimen featuring notably lustrous, well-formed, complex modified scalenohedral crystals with a translucent quality ranging from white to colorless in areas. The specimen grew in a stalactitic formation, with a central "core" upon which the Calcites grew. This historic copper mining district is best known for its beautiful Azurite and Malachite specimens, but the Calcites stand out as some of the best from Arizona. This particular piece is notably more three-dimensional and showy than most I've seen from Bisbee, and the fact that it has good luster makes it all the more desirable. The crystallization is very good for the material as well, as it's not amorphous or botryoidal, but shows fine crystal form. The largest crystal measures 4.0 cm, and the majority of the crystals are damage free, with only a few little rough spots here and there. A great cabinet sized display specimen that would make a fine addition to an Arizona suite, a Calcite collection or even a collection of carbonate minerals.



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Covellite from Summitville District, Rio Grande County, Colorado [./tuc3172/tuc31723a.JPG] Covellite from Summitville District, Rio Grande County, Colorado [./tuc3172/tuc31723b.JPG] Covellite from Summitville District, Rio Grande County, Colorado [./tuc3172/tuc31723c.JPG] Covellite from Summitville District, Rio Grande County, Colorado [./tuc3172/tuc31723d.JPG]


No. TUC31723 - SOLD

Covellite

Locality: Summitville District, Rio Grande County, Colorado

Specimen Size: 3.1 x 2..7 x 1.3 cm (thumbnail)
Crystal Group: 1.2 cm


Covellites from Summitville are some of the finest from anywhere in the Western Hemisphere (outside of Butte, Montana). The material is well-known among Colorado collectors, but seldom seen in fine matrix display specimens like this piece. This full sized thumbnail specimen features a beautiful "rosette"-shaped group of Covellite measuring 1.2 cm across with a few hexagonal blades of Covellite aesthetically set on matrix. The top / back portion of the piece has a contact where it was removed from the pocket wall, but rarely does one see such attractive isolated "rosettes" on matrix like this from Summitville as they are often found as "lumpy" masses off matrix with no real crystal definition. I'm leaving the locality simply as Summitville as I don't know if this piece specifically came from the Reynolds Pit or another locale in Summitville.



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Rhodochrosite from N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa [./tuc3172/tuc31724a.JPG] Rhodochrosite from N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa [./tuc3172/tuc31724b.JPG] Rhodochrosite from N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa [./tuc3172/tuc31724c.JPG] Rhodochrosite from N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa [./tuc3172/tuc31724d.JPG]


No. TUC31724 - $ 250.00 (=~ ¥ 27472.53)

Rhodochrosite

Locality: N'Chwaning I Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa

Specimen Size: 1.0 x 0.6 x 0.6 cm (thumbnail)


A lovely "flower"-shaped group of fiery reddish-pink Rhodochrosite from the world famous N'Chwaning I Mine in South Africa. These Rhodos are among the finest quality examples of the species in the world, and easily some of the most highly sought after material among collectors since they came out in the 1970s. The group shows the classic "dogtooth" scalenohedral crystals with excellent gemminess and luster. These specimens, including the smaller ones, continue to rise in value on the market, and if you're a thumbnail collector, or you like Rhodochrosites, this is a good representative piece of this classic material that won't break the bank.



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Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725a.JPG] Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725b.JPG] Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725c.JPG] Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725d.JPG] Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725e.JPG] Fluorapatite on Albite from Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil [./tuc3172/tuc31725f.JPG]


No. TUC31725 - $ 350.00 (=~ ¥ 38461.54)

Fluorapatite on Albite

Locality: Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil

Specimen Size: 3.7 x 3.7 x 3.7 cm (miniature)
Largest Crystal: 8 mm


Here we have a really attractive miniature specimen featuring a few green colored Apatites from the famous Sapo mine from a few years ago. These crystals have a unique appearance with compressed prismatic form, but still showing very sharp, highly lustrous faces with nice translucency, aesthetically perched atop bladed white Albite matrix. The crystals are green at their core, but are nearly colorless around the edges when backlit. The Apatites measure up to 8 mm across, and I don't see any damage on the display side. If you collect Apatites, phosphate or Brazilian minerals, don't miss out on this eye-catching Apatite. It appears that Sapo may never produce these attractive specimens of unusual Apatite again.



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(click on the pictures to enlarge)

Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite ( Dolomite (


No. TUC31726 - $ 300.00 (=~ ¥ 32967.03)

Dolomite ("cast" after Calcite) with Malachite

Locality: Tsumeb Mine, Otjikoto Region, Namibia

Specimen Size: 5.7 x 4.7 x 1.6 cm (small cabinet)


Tsumeb is well-known for its pseudomorphs, "casts" and replacements, sometimes showing more than just two generations. This small cabinet is a beautiful specimen featuring pearly white Dolomite which has formed a thin "cast" after Calcite with associated "balls" of acicular green Malachite. My favorite aspect of the piece is the fact that there is still a small amount of Calcite remaining on the reverse side of the specimen, showing that it didn't completely dissolve away. The Calcite measures 1.8 cm across.  There is great quality, form, aesthetics and color on this classic eye-cacthing "cast".



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(click on the pictures to enlarge)



No. TUC31727 - $ 350.00 (=~ ¥ 38461.54)

"Rainbow" Andradite

Locality: Kohse Mine, Tenkawa village, Yoshino-gun, Nara Prefecture, Kinki Region, Honshu Island, Japan

Specimen Size: 1.1 x 0.8 x 0.5 cm (thumbnail)
Largest Crystal: 8 mm


A wonderful well-formed dodecahedral group of the famous "rainbow" Andradite Garnets from the famous Kohse Mine. At first glance, these crystals appear to have some kind of artificial coating, but it turns out that the brilliant iridesence is 100% natural! There are actually a few places in the world where rainbow Andradite is found. The Japanese specimens are the most desirable and sought after. The colors exhibited can range from warm reds, oranges and pinks to cool blues and greens. This particular piece shows notably sharp and very smooth faces with a beautiful mix of pink, yellow, orange, blue and green metallic flashes on the surface of the faces. The best aspect of the piece is that it doesn't have the typical flat circular "water spots" that can ruin the appearance, instead the surface of every face is unblemished on the display side. The piece is complete on the front, contacted on the back, but it's still a very attractive representative example of this rare material. If you're a Garnet collector, you should have one of these in your collection. They're so beautiful and unique for a commonly known species.  These crystals are rare on the market as the locality is completely off limits to collectors, and NO MORE specimens will be coming out, so if you want one of these, don't miss out on this opportunity, because they will just become harder to get as the years go on.



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(click on the pictures to enlarge)

Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728a.JPG] Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728b.JPG] Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728c.JPG] Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728d.JPG] Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728e.JPG] Kolwezite (rare) with Cobaltoan Calcite from Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality) [./tuc3172/tuc31728f.JPG]


No. TUC31728 - $ 500.00 (=~ ¥ 54945.05)

Kolwezite (rare) with Cobaltoan Calcite

Locality: Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo (Type Locality)

Specimen Size: 5.6 x 5.1 x 3.8 cm (small cabinet)
Largest Kolwezite: 4 mm


Kolwezite is a very rare copper cobalt hydroxyl carbonate that is found in less than 10 localities in the world. The species was first described in 1980 from the Musonoi Mine, in the Democratic Republic of Congo. This piece just happens to be from the type locality, and is the only piece of this material that I've ever had to offer. Obviously it gets its name from the Kolwezi District in which it was first discovered. The specimen hosts beautiful botryoidal groups of beige Kolwezite (with dark green cores) associated with wonderfully contrasting pink Cobaltoan Calcite on matrix. The largest sphere of Kowlezite measures 4 mm across. My favorite aspect of the piece is that the spheres are isolated(!) and aren't just a big intergrown mass or a loose group off matrix. It's incredibly rare to find single spheres of this species undamaged on matrix, and would be a very worthwhile pickup for any rare species collector.

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(click on the pictures to enlarge)

Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729a.JPG] Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729b.JPG] Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729c.JPG] Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729d.JPG] Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729e.JPG] Vanadinite from Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco [./tuc3172/tuc31729f.JPG]


No. TUC31729 - $ 125.00 (=~ ¥ 13736.26)

Vanadinite

Locality: Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco

Specimen Size: 4.6 x 3.2 x 2.0 cm (miniature)
Largest Crystal: 5 mm


This is a lovely miniature specimen of this classic material. A handful of sharp, lustrous, rich orange-red color, tabular hexagonal crystals of Vanadinite measuring up to 5 mm sit aesthetically on the underlying matrix. My favorite aspect of the piece is the main group of crystals at the top which have intergrown to form a beautiful "flower"-like cluster, and almost resembles an octagonal shape like a stop sign. It's good quality and virtually undamaged. These specimens are common on the market, but they remain the standard of quality for the species, and should not be disregarded due to their abundance.



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(click on the pictures to enlarge)

Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730a.JPG] Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730b.JPG] Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730c.JPG] Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730d.JPG] Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730e.JPG] Wavellite (fine crystals) with Stannite and Augelite from Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia [./tuc3172/tuc31730f.JPG]


No. TUC31730 - $ 600.00 (=~ ¥ 65934.07)

Wavellite (fine crystals) with Stannite and Augelite

Locality: Siglo XX mine, Llallagua, Bustillo Province, Potosi Department, Bolivia

Specimen Size: 12.3 x 9.8 x 5.2 cm (cabinet)
Largest Sphere: 1.3 cm


This is a very impressive specimen of this often overlooked and sometimes under appreciated phosphate. This piece has some of the best quality individual crystals of Wavellite that I have seen from Bolivia . Please keep in mind that this mineral typically forms in very thin needles that orient into radiating aggregates, but the orthorhombic crystals on this specimen are distinct and fairly thick for the species. This specimen consists of pale yellow (nearly colorless in the smaller crystals), lustrous, sharp prismatic crystals in spherical form associated with brass colored Stannite crystals and very unusual, small, white "spheres" of Augelite (x-ray confirmed) which is extremely rare in my experience. The matrix is mostly massive Pyrite. I must stress that the Wavellite crystals are also nearly gem quality under magnification (see our close up photos), which is not common for the species. I have never seen the association of these three species from any other mine in Bolivia or the world for that matter. You will have a very hard time finding individual crystals of Wavellite this quality from any Bolivian locality. The Wavellites show a beautiful bluish-white fluorescence under SW UV light, which is not common in my experience with Wavellites.  This piece is from a pocket found around 2001, and I have not seen any more like it since that time. I actually kept this one back when the find was made, in the hopes that there would be more. Now I'm nearly certain that there will not be any more of these amazing Wavellite specimens again, so do not miss out on this unique and highly displayable phosphate association specimen.



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(click on the pictures to enlarge)

Calcite (variety: Calcite (variety: Calcite (variety: Calcite (variety: Calcite (variety: Calcite (variety:


No. TUC31731 - $ 550.00 (=~ ¥ 60439.56)

Calcite (variety: "Manganoan")

Locality: Krushev Dol deposit, Krushev Dol mine, Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria

Specimen Size: 8.7 x 6.3 x 3.1 cm (small cabinet)
Largest Crystal Group: 1.8 cm


This locality is best known for its amazing sulfide specimens (mainly Galena, Sphalerite, Chalcopyrite), but the Calcites are not only few and far between, but they're often dull, white and and without excellent crystal form. In the past they certainly have not shown the wonderful crystal habit and beautiful color seen in this piece. These are arguably the finest examples of Mn-bearing Calcite that we've seen from this mine. We literally just picked this piece up in Tucson, and it's one of the most colorful and aesthetic Calcites that we've seen from Krushev Dol. I was told that it came from a pocket that was discovered just before the Tucson Show, and only a handful of pieces were found. ATTENTION CALCITE collectors! This gorgeous manganoan baby pink color group of beautifully stepped "dogtooth"-shaped crystals with a gentle but NOTABLE vitreous / satiny luster resembles a forest of cotton candy trees. No real damage (outside of the periphery) to speak of and just beautiful in person. If you collect Calcites, you can't miss out on this one, as this may be a one time find.



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