Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Aris quarries, Windhoek dist., Khomas Region, Namibia
- Formula
- Ce2(CO3)3·8H2O
- Size
- Thumbnail 2.2x1.4x0.8cm
- Tagged
- carbonate , REE mineral
Pearly white Lanthanite with a good spray of orange-brown Tuperssuatsiaite 3mm across.
- Availability
- Sold
- Locality
- Curitiba, Paraná, Brazil
- Formula
- Nd2(CO3)3·8H2O
- Size
- Thumbnail 2.5x1.5x0.3cm
- Tagged
- carbonate , REE mineral
- Special Info
- Type Locality
An excellent if not superb small specimen loaded with brilliant pink crystals of this rare REM. Named for the lanthanum in the composition with the dominance of neodymium over the other rare earth elements. A rare mineral that occurs as a secondary mineral, typically formed by the alteration of weathering of rare earth element-bearing minerals.
- Availability
- Sold
- Locality
- Curitiba, Paraná, Brazil
- Formula
- La2(CO3)3·8H2O
- Size
- Chip xxcm
- Tagged
- carbonate , REE mineral
Small plate loaded with pink micro crystals.
- Availability
- Sold
- Locality
- Dara-Pioz Glacier, Alayskiy Range, Tien Shan Mts, Tajikistan
- Formula
- NaFe2+(REE7Ca5Y3)(SiO4)4(Si3B2PO18)(BO3)F11
- Size
- Thumbnail 1.2x0.5x0.5cm
- Tagged
- phosphate , REE mineral
- Special Info
- Type Locality
White to colorless sugery mass of Laptevite. This is a two-locality mineral. Very Rare. Carries a Russian and Excalibur label.
- Availability
- Sold
- Locality
- Repete mine, San Juan Co., Utah, United States
- Formula
- Na(H3O)(UO2)3(Se4+O3)2O2·4H2O
- Size
- Miniature 4x2x1cm
- Special Info
- Type Locality
Goldish yellow almost orange platy crystals of Larisaite with yellow bladed, radial Haynesite. It is hard to discern the two but as they occur together, the Larisaite appears a darker yellow or orange color. The Andersonite under sunlight is a bright fluorescent green crust. In the photos, the Andersonite is seen as a light dull crusts, but it glows in the sun. The Larisaite is extremely rare.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Franklin, Sussex Co., New Jersey, United States
- Formula
- PbZnSiO4
- Size
- Miniature 5x4x2.5cm
- Special Info
- Type Locality
Colorless bladed crystals to 1mm. Rich specimen in "hancockite" - the lead Epidote.
