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- Availability
- Sold
- Locality
- Tolbachik Volcano, Kamchatka, Russia
- Formula
- CuAlO(AsO4)
- Size
- Miniature 4x4x2.5cm
- Tagged
- arsenate , copper
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
- Special Info
- Type & Only Locality
A more specific locality from the author is: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption of the Tolbachik volcano. Urusovite is the pastal green masses and crystalline grains throughout the spongy matrix. There is a dark green mineral also, although it is certainly one of the many green minerals from this fumarole, which contains 19 type locality minerals.
- Availability
- Sold
- Locality
- Galiléia, Doce Valley, Minas Gerais, Brazil
- Formula
- MgFe3+2(PO4)2(OH)2ยท8H2O
- Size
- SmCabinet 6x3.5x2cm
- Tagged
- phosphate
Excellent yellow 2mm Ushkovite crystals on ugly yellowish Roscherite matrix. Along the cross section of the specimen you can see it is also composed of white Moreasite and Beryllonite. A great combination phosphate specimen.