Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- South Terris mine, St. Stephen-in-Brannel, Cornwall, England
- Formula
- Ni3(AsO4)2
- Size
- Thumbnail .7x.3x.3cm
- Tagged
- arsenate
- Special Info
- Type Locality
- Special Info
- Neotype Specimen
The specimen is from the neotype specimen and consist of yellow pulverulent Xanthiosite and grass green Aerugite, both minerals are extremely rare. This is an reported locality from the collection of Dr. Mark Feinglos. Mark obtained the specimen from the British Museum.
- Availability
- Sold
- Locality
- Palermo mine, Groton, Grafton Co., New Hampshire, United States
- Formula
- Ca4Fe3+2(PO4)4(OH)2ยท3H2O
- Size
- SmCabinet 5.5x4x3.5cm
- Tagged
- phosphate , pegmatite mineral
Yellow, straw-like crystals of Xanthoxenite to 3mm. Very nice specimen.
- Availability
- Sold
- Locality
- Ankaratra, Ambatolampy, Vakinankaratra, Madagascar
- Formula
- YPO4
- Size
- SmCabinet 6x4x3.5cm
- Tagged
- phosphate , REE mineral
An aggregate of several Xenotime crystals to 3cm. An excellent specimen by any measure.
- Availability
- Sold
- Locality
- Sabinópolis, Minas Gerais, Brazil
- Formula
- YPO4
- Size
- Thumbnail 2.5x2x1.3cm
- Tagged
- phosphate , REE mineral
Excellent rare specimen of Xenotime with hundreds of tan crystals to 1mm in a flower-like cluster.
- Availability
- Sold
- Locality
- Djupadalsgruvan, Olserum, west of Västervik, Sweden
- Formula
- YPO4
- Size
- SmCabinet 7x6.5x4cm
- Tagged
- phosphate , REE mineral
Large dark red plates of Xenotime to 5cm in biotite. I am assuming this is (Y).
- Availability
- Sold
- Locality
- Bancroft, Ontario, Canada
- Formula
- YPO4
- Size
- Cabinet 10x8x4cm
- Tagged
- phosphate , pegmatite mineral
- Special Info
- Radioactive!!
This is a large, heavy specimen of pegmatite matrix. Euxenite is really the main mineral and occurs within the specimen as large crystal grains from 5mm to 18mm. They are dark brown with an vitreous luster. The Xenotime grains are 4-18mm and are kind of a yellowish brown replacing the Euxenite. The specimen originated from the Paul Moore collection with tag, though his name does not appear on the label.
Because of the size, the specimen may cost extra to ship beyond the cart charge if shipped outside of the USA.
