Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Harstigen mine, Filipstad, Värmland, Sweden
- Formula
- Ca2Mn2+(AsO4)2·2H2O
- Size
- SmCabinet 7x5x2.5cm
- Tagged
- arsenate
- Special Info
- Type Locality
Colorless crude to well-crystallized crystals of the rare arsenate mineral, Brandtite. The crystals are elongated blades from 0.5 to 1mm and radial fans to 3mm.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States
- Formula
- Ca2Mn2+(AsO4)2·2H2O
- Size
- Miniature 4.5x3.5x3cm
- Tagged
- arsenate
Colorless, bladed crystals of Brandtite to about 1mm associated with nice orange Sarkinite, not seen very well in the photos, but are very nice. Comes with a Parker Minerals label stating it was collecting on the 1120 stope, between the 900 and 1000 ft levels,
- Availability
- Sold
- Locality
- Långban, Filipstad, Värmland, Sweden
- Formula
- Ca2Mn2+(AsO4)2·2H2O
- Size
- SmCabinet 7x3.5x3cm
- Tagged
- arsenate
Superb specimen with colorless platy crystals of Brandtite crystals to 1mm at the black arrow. I do not know what the hemispherical, colorless crystals are...???
See prov. tab for label: Curtic Brandt ...
- Availability
- Sold
- Locality
- Långban, Filipstad, Värmland, Sweden
- Formula
- Ca2Mn2+(AsO4)2·2H2O
- Size
- SmCabinet 7x3.5x3.5cm
- Tagged
- arsenate
- Special Info
- XRD Confirmed
Excellent specimen which has been tested by Dr. Pete Dunn by XRD. The crystals of Brandtite are 1-4mm in two seperate groups on botryoids of Rhodochrosite. There are minor yellow areas of massive Caryopilite.
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States
- Formula
- Ca2Mn2+(AsO4)2·2H2O
- Size
- Miniature 5x5x3.5cm
- Tagged
- arsenate
Clear bladed crystals of Brandtite to 3mm with Orange micro crystals of Sarkinite. Very nice specimen.
