Rare Mineral Specimens - search page
SOLD
- Availability
- Sold
- Locality
- Etta mine, Pennington Co., South Dakota, United States
- Formula
- Fe2+Nb2O6
- Size
- 5 x 2.5 x 1.5 cm - Miniature
- Tagged
- pegmatite mineral
A partial section of a large Columbite crystal with characteristic striations. There are three crystal faces.
SOLD
- Availability
- Sold
- Locality
- Alto Ligonha dist., Zambezia prov., Mozambique
- Formula
- Fe2+Nb2O6
- Size
- 4.2 x 2 x 0.5 cm - Miniature
- Tagged
- pegmatite mineral
A single complete crystal, terminated with deep, typical, striations.
- Availability
- Available
- Price
- $75.00
- Locality
- South mine, Broken Hill, New South Wales, Australia
- Formula
- PbMn4+2Mn2+6O16
- Size
- 8 x 4.5 x 4 cm - Sm Cabinet
A cool black botryoidal crystal aggregates to 8mm.
- Availability
- Available
- Price
- $40.00
- Locality
- Comanche mine, Mono Co., California, United States
- Formula
- Cu2Sb2(O,OH)7
- Size
- 4.5 x 3 x 1.5 cm - Miniature
- Tagged
- copper
Partzite is not an actual IMA mineral. Instead they think that it is very similar to Cuproromeite. Scratching the metallic areas does produce a dark green color and its streak is dark olive green. The metallic large grain is 1.5cm and is probably tarnished.
SOLD
- Availability
- Sold
- Locality
- Musonoi mine, Kolwezi, Shaba Cu belt, DR of Congo
- Formula
- Cu(UO2)2(SiO3OH)2ยท6H2O
- 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.
- Availability
- Available
- Price
- $25.00
- Locality
- Graf Jost-Christian mine, Wolfsberg, Saxony, Harz Mtns., Germany
- Formula
- Pb23Sb25S60Cl
- Size
- 2.5 x 1.5 x 1.5 cm - Thumbnail
- Tagged
- sulfide
Very compact fine acicular crystals in mass and intruding Quartz.
