Rare Mineral Specimens - search page
SOLD
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Ploskaya Mt, Western Keivy Massif, Kola Peninsula, Russia
- Formula
- YPO4·2H2O
- Size
- 3 x 2 x 2 cm - Thumbnail
- Tagged
- phosphate, REE mineral
White grains of Churchite-(Y) in green Microcline, variey amazonite.
SOLD
- Availability
- Sold
- Locality
- Lord Hill pegmatite, Stoneham, Oxford Co., Maine, United States
- Formula
- Fe2+Nb2O6
- Size
- 2 x 1.5 x 0.8 cm - Thumbnail
- Tagged
- pegmatite mineral
I don't have chemical analysis on this piece. So, I'm taking an educated guess as to its identity. It was previously labeled as Columbite. It's a nice thumbnail with complex faces all around, even the backside, which I did not photograph. Hampson collected it in 1945.
SOLD
- Availability
- Sold
- Locality
- Gravel Hill mine, Perranzabuloe, Cornwall, England
- Formula
- PbFe3+3(SO4)(PO4)(OH)6
- Size
- 5 x 4 x 3 cm - Miniature
- Tagged
- phosphate
Green crusts of Corkite on Galena.
- Availability
- Available
- Price
- $95.00
- Locality
- Tolbachik Volcano, Kamchatka, Russia
- Formula
- Cu3O(MoO4)2
- Size
- 1 x 1 x 1 cm - Thumbnail
- Tagged
- copper
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
- Special Info
- Type & Only Locality
- Special Info
- Author's Material
Red elongated octahedral micro crystals less than 0.5mm. This is a specimen studied by the author Dr. Igor Pekov.
SOLD
- Availability
- Sold
- Locality
- Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo
- Formula
- Cu(UO2)2(SiO3OH)2·6H2O
- Size
- 6.5 x 3.5 x 3 cm - Sm Cabinet
- Tagged
- copper
- Special Info
- Radioactive!!
Bright green sprays of Cuprosklodowskite with dark micro Vandenbrandeite. Radioactive!
I would prefer to deliver this to Tucson, if the buyer is going.
SOLD
- Availability
- Sold
- Locality
- Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo
- Formula
- Cu(UO2)2(SiO3OH)2·6H2O
- Size
- 2 x 1.5 x 1.5 cm - Thumbnail
- Special Info
- Radioactive!!
Nice little thumbnail with bright green, long bladed crystals of Cuprosklodowskite.
