Rare Mineral Specimens - search page
- Availability
- Available
- Price
- $60.00
- Featured
- Featured in Special Editions
- Locality
- York mine, Polk Co., Arkansas, United States
- Formula
- NaFe3+9(PO4)6(OH)11·3H2O
- Size
- 7.5 x 5 x 6 cm - Sm Cabinet
- Tagged
- phosphate
Light green spherical Kidwellite groups to over 5mm on black, botryoidal Rockbridgeite. The Rockbridgeite ID is an assumption. It quite possible be Dufrenite. There is some minor Beraunite. Under the scope you will see several prismatic crystals which have either been coated or replaced by the black stuff. The centers of the Kidwellites all have an unidentified rusty red interior.
- Availability
- Available
- Price
- $40.00
- Featured
- Featured in Special Editions
- Locality
- Kirigo, Hizen-cho, Higashi-Matsuura-gun, Saga, Kyushu Island, Japan
- Formula
- CaY2(CO3)4·6H2O
- Size
- Capsule
- Tagged
- phosphate, REE mineral
- Special Info
- Type Locality
White silky looking Kimuraite-(Y). There are approximately 192 IMA and undefined yttrium rare earth minerals.
- Availability
- Sold
- Locality
- Moctezuma, Sonora, Mexico
- Formula
- PbMn4+Te6+O6
- Size
- 2.5 x 2 x 1.5 cm - Thumbnail
- Tagged
- tellurium
Tiny hemispherical brown crystals less than 0.5mm.
- Availability
- Sold
- Locality
- Tsumeb mine, Tsumeb, Namibia
- Formula
- Pb4(SO4)(CO3)2(OH)2
- Size
- 1.2 x 0.9 x 0.6 cm - Thumbnail
- Tagged
- carbonate
A cleaved specimen of Leadhillite with Cerussite. Leadhillite always has a unique cleaveage luster. It is very reflective when the light hits it at the right angle. I tried to capture that in the second photo.
The specimen is from Dr. Georg Gebhard collection.
- Availability
- Available
- Price
- $40.00
- Featured
- Featured in Special Editions
- Locality
- Poudrette quarry, Mont Saint-Hilaire, Quebec, Canada
- Formula
- Na3Y(CO3)3·6H2O
- Size
- Capsule
- Tagged
- carbonate, REE mineral
- Special Info
- Type Locality
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
- Special Info
- Author's Material
Lecoqite-(Y) is a relatively new mineral, which was published in 2010 by Pekov et al. In the capsule a little bit of white fibrous crystals. It is a portion of the author's study material.
- Availability
- Sold
- Locality
- Tsumeb mine, Tsumeb, Namibia
- Formula
- ZnAs3+2O4
- Size
- 1 x 0.6 x 0.1 cm - Thumbnail
- Special Info
- Type & Only Locality
Leiteite is such a strange mineral - it is like cellophane, elastic, foliated, silvery, and plastic-like. Tsumeb is the type and only real localtiy.....the others are slag.
