Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- North of Long Lake, Hamilton Co., New York, United States
- Formula
- Ca2Y2(SiO3)4(CO3)·H2O
- Size
- Thumbnail 2x1x0.7cm
- Tagged
- carbonate , REE mineral
A single octahedral crystal to 1mm with Quartz.
- Availability
- Sold
- Locality
- Bicroft mine, Bancroft, Ontario, Canada
- Formula
- Ca2Y2(SiO3)4(CO3)·H2O
- Size
- Thumbnail 1.8x1.5x1.2cm
- Tagged
- carbonate , REE mineral
Bluish orthorhombic, dipyramidal, glassy crystal to 3.5mm.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy
- Formula
- KAl(SO4)2·11H2O
- Size
- Miniature 4x0.6x0.6cm
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
- SmCabinet 9x5x3cm
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
- Hilarion mine, Laurium dist., Attika, Greece
- Formula
- Fe3+3(AsO4)2(OH)3·3H2O
- Size
- Thumbnail 2.5x1.5x1cm
- Tagged
- arsenate
- Special Info
- Type Locality
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
Type locality for this specimen. The Kamarizaite is the yellowish aggregate. This specimen was used for the study of this new mineral by Dr. Igor Pekov. There are only three worldwide localities.
- Availability
- Sold
- Locality
- Kambalda, Coolgardie Shire, Western Australia, Australia
- Formula
- NaNi4(CO3)3(OH)3·3H2O
- Size
- Thumbnail 2.7x2.2x3cm
- Tagged
- carbonate , nickel
A fine layer of tiny, sparkly bright green spherulitic crystal groups measuring about 0.2 to 0.75mm with good coverage on lighter, dull Gaspeite. Very nice piece.
