Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Darai-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.
- Availability
- Sold
- Locality
- Lauzon Farm, Oka complex, Laurentides, Quebec, Canada
- Formula
- (Ca,Na)(Nb,Ti)O3
- Size
- Thumbnail 2.2x1.5x1.2cm
- Special Info
- Type Locality
Small specimen, but fairly rich with 3-4mm cubic crystals of Latrappite, a member of the Perovskite group. Latrappite is a very rare niobium minral found in only three localities worldwide.
- Availability
- Sold
- Locality
- Buckeye Mountain, Polk Co., Arkansas, United States
- Formula
- (Fe3+,Fe2+,M)8+x(OH,H2O)9(H2O)2(PO4)5, M = Fe3+
- Size
- Miniature 4.5x3.5x2cm
- Tagged
- phosphate
Laubmannite is a combination of several rare phosphate minerals: Kidwellite, Dufrenite, and Beraunite. Each is a different phosphate phase of similar compositions producing concentric color zones. This is a real nice specimen.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Mangualde, Viseu dist., Portugal
- Formula
- Mn2+Fe3+2(PO4)2(OH)2·8H2O
- Size
- SmCabinet 6x4.5x5cm
- Tagged
- phosphate , pegmatite mineral
Yellow Laueite crystals to 0.5mm or more on purple Strengite. Most of the matrix seems to altered to Rockbridgeite. The fringe of the vug which encloses the strengite is Bermanite. There is perhaps some hints of Jahnsite-(CaMnMn). Some areas contain a lot of carbonate apatite. The exact mine locality is not known. The Mangualde district pegmatites are granitic and rich in phosphates. Garske label.
