Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Apex mine, Lander Co., Nevada, United States
- Formula
- (UO2)6SO4O2(OH)6·14H2O
- Size
- Miniature 5x2x2.5cm
- Special Info
- Type Locality
- Special Info
- EDS Confirmed
An excellent rich specimen loaded with little yellow balls of Uranopilite full of acicular crystals to about 0.5mm. The Uranopilite is on orange crystals of Rutherfordine in groups showing elongated radial spikes like a sun. Great contrast and beautiful piece. Analyzed specimen with EDS spectra shown in provenance tab.
- Availability
- Sold
- Locality
- Apex mine, Lander Co., Nevada, United States
- Formula
- (UO2)6SO4O2(OH)6·14H2O
- Size
- Miniature 4x3.5x3cm
- Special Info
- EDS Confirmed
Bright yellow sprays of Uranopilte to 1mm across on one side. On the other side are yet very nice Uranopilite groups on yellow to orange thick groups of Rutherfordine. Analytical information in the provenance tab.
- Availability
- Sold
- Locality
- Apex mine, Lander Co., Nevada, United States
- Formula
- (UO2)6SO4O2(OH)6·14H2O
- Size
- Miniature 5x4x2cm
- Special Info
- Fluorescent
- Special Info
- Radioactive!!
- Special Info
- EDS Confirmed
A good combination specimen with both Uranopilite and Rutherfordine. The Rutherfordine are the glassy, orange radial sprays to about 1.5mm. The Uranoplilite crystals are clustered in 1mm rounded groups as seen in the photos.
- Availability
- Sold
- Locality
- Schneeberg dist., Erzgebirge, Saxony, Germany
- Formula
- Bi(UO2)O2(OH)
- Size
- Miniature 4x3x2cm
A very rich specimen with lemon drop-like crystal groups of Schumacherite to 1mm throughout the spongy matrix. I suspect as old as this specimen is since it was collected (ca 1880's) the Uranosphaerite is a bit dehydrated. It's a fabulous specimen taken from a group specimens from the Georg Gebhard collection.
- 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)2·8H2O
- 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.
