Theisite, Azurite
Johann adit, Geyer - Silberberg District, Brixlegg, Kufstein District, Tyrol, Austria
3.2 x 2.2 x 1.8 cm. A very rare old classic of this copper/zinc arsenate, from an old location that is probably where it was first found, but not first recognized as a new species from. The theisite (visually identified by Pinch and Feinglos) is the chatoyant, deep green material you can see around the rim of the pocket, lined with a secondary ...
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