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Theisite, Claraite (both rare) & Azurite (New Find!)
- Les Ferreres mine, Rocabruna, Girona, Catalonia, Spain
- Cabinet, 12.3 x 9.9 x 5.7 cm
- Start Time: 03/01/2018 6:30:00 pm (CST)
- End Time: 03/08/2018 6:30:15 pm (CST)
- Auction Closed
Item Description
Striking blue-green theisite botryoids are richly and attractively clustered on the contrasting carpet of tiny, scintillating, gemmy azurite crystals on this impressive and colorful large combination specimen from a New Find. Theisite is a rare complex hydroxyl Cu-Zn arsenate, visually similar to tyrolite. It is named after our fellow Mineralogical Association of Dallas (MAD) member, Nick Theis. The back is richly covered with turquoise-blue crusts of Claraite, a RARE very complex hydrated Cu-Zn-As carbonate. This rich, RARE and colorful large specimen is from a New Find at this ancient and closed in the 1960s, barite, Cu-Pb-Zn-Ag mine. valued $500-750
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