Rare Mineral Specimens - search page
SOLD
- Availability
- Sold
- Locality
- New Cornelia mine, Ajo Dist., Pima Co., Arizona, United States
- Formula
- Na3Cu2+20Al3Si29O76(OH)16·8H2O
- Size
- 3.5 x 2.5 x 2 cm - Miniature
- Tagged
- copper
- Special Info
- Type Locality
A fine example of thinly, bladed crystals to less than 1mm. The crystals are free-standing and abundant. The stuff is rare but does not command the high prices I've seen.
SOLD
- Availability
- Sold
- Locality
- Tolbachik Volcano, Kamchatka, Russia
- Formula
- K3Cu2+3AlO2(SO4)4
- Size
- 3 x 2 x 2 cm - Thumbnail
- Tagged
- copper
- Special Info
- Type Locality
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
Grass green translucent and acicular crystals of Alumoklyuchevskite in vugs scattered throughout the matrix. It is pretty much confined to one locality.
- Availability
- Available
- Price
- $350.00
- Locality
- Saint-Symphorien, near Autun, Saône-et-Loire, Burgundy, France
- Formula
- Ca(UO2)2(PO4)2·10-12H2O
- Size
- 6 x 4.5 x 3 cm - Sm Cabinet
- Tagged
- phosphate
Bright, vivid yellow plates and rosttes of Autunite from type locality.
- Availability
- Available
- Price
- $125.00
- Locality
- Tyrnyauz Mo-W deposit, Baksan Valley, Kabardino-Balkarian, N. Caucasus, Russia
- Formula
- Bi6Te2S3
- Size
- 3 x 2 x 1 cm - Thumbnail
- Tagged
- sulfide, tellurium
- Special Info
- Type Locality
A four locality mineral. Small 1mm metallic grain. Ex. Anatoly Kasatkin.
SOLD
- Availability
- Sold
- Locality
- Pirquitas Ag-Sn Deposit, Rinconada Dept., Jujuy, Argentina
- Formula
- Ag3Bi7S12
- Size
- 4 x 3 x 4 cm - Miniature
- Tagged
- sulfide, silver
Massive specimen of rare sulfosalt minerals with compact silvery, embedded crystals of Benjaminite associated with indiscernable Pavonite, Bismuthinite and Kesterite.
SOLD
- Availability
- Sold
- Locality
- Butte dist., Silver Bow Co., Montana, United States
- Formula
- (Cu,Fe)21Pb2S15
- Size
- 3 x 2.5 x 1.5 cm - Thumbnail
- Tagged
- sulfide, copper
Black, sooty, Betekhtinite crystals with not form in-between Quartz crystals.
