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$200.00 Enargite / North Ore Body, Longfellow Mine, Red Mountain Pass, San Juan County, Colorado $1,500.00 Phosphophyllite / (classic “butterfly” twins) / Locality - Huayllani mine, Infiernillos mine, Machacamarca District, Bolivia $350.00 Copper / Locality - Corocoro District, Pacajes Province, La Paz Department, Bolivia $400.00 Copper / (leaf-like specimen) / Locality - Corocoro District, Pacajes Province, La Paz Department, Bolivia $550.00 Copper / (leaf-like specimen) / Locality - Corocoro District, Pacajes Province, La Paz Department, Bolivia $600.00 Copper / (leaf-like specimen) / Locality: Corocoro District, Pacajes Province, La Paz Department, Bolivia $400.00 Copper / (leaf-like specimen) / Locality - Corocoro District, Pacajes Province, La Paz Department, Bolivia $165.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $65.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $220.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $110.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $150.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $70.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $110.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $175.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $250.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $160.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $50.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $140.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico $400.00 Opal / (variety - “Opal-AN”) / (variety - “Hyalite Opal”) / (“Blood Vessel Opal”) / Locality - San Luis Potosi, Mexico