Mineral Specimen and Product Inventory Search
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy
- Formula
- KAl(SO4)2·11H2O
- Size
- 4 x 0.6 x 0.6 cm - Miniature
This mineral is listed with Lobley in "Mount Vesuvius" in 1889 and states that it is "not rare in the crater" and can crystallize in octahedrons, but is usually in fibrous crust. It was a valid mineral in the early days but Mindat states it is a "non-existent species" and may be discredited.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- San Venanzo, Terni Province, Umbria, Italy
- Formula
- KAlSiO4
- Size
- 9 x 5 x 3 cm - Sm Cabinet
Thin, colorless, acicular crystals of Kalsilite, a felspathoid. The volcanic rock also contains Melilite, apatite, and Phlogopite. San Venanzo volcano is located about 272km (170mi) northwest of Vesuvius.
- Availability
- Sold
- Locality
- Tatehira mine, Kumaishi, Oshima peninsula, Hokkaido, Japan
- Formula
- Mn2+MgSi2O6
- Size
- 2.2 x 1.8 x 1.1 cm - Thumbnail
Redish brown elongated prisms to 8mm in Pyroxmangite. Kanoite is a pyroxene and is fairly rare by reported localities.
- Availability
- Sold
- Locality
- Green Monster mine, Clark Co., Nevada, United States
- Formula
- Pb(UO2)SiO4·H2O
- Size
- 3.5 x 1.5 x 2 cm - Miniature
Yellow acicular crystals to less than 1mm but very good coverage three sides.
- Availability
- Sold
- Locality
- Three Oaks Gap, Polk Co., Arkansas, United States
- Formula
- NaFe3+9(PO4)6(OH)11·3H2O
- Size
- 5.5 x 3 x 3 cm - Sm Cabinet
- Tagged
- phosphate
Superb specimen of deep red plates of Beraunite with a partial covering of green gobular Kidwellite.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Vulcano Island, Sicily, Italy
- Formula
- Na3SO4F
- Size
- 6 x 4.5 x 3.5 cm - Sm Cabinet
Light weight mass of chalky white, rare, Kogarkoite with slightly green Chalcanthite.
