Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Mina Ojuela, Mapimi, Durango, Mexico
- Formula
- ZnFe3+2(AsO4)2(OH)2·4H2O
- Size
- Miniature 3.5x3x2.5cm
- Tagged
- arsenate
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
Yellow-green fibrous crystals in an area of bout 5x5mm with 7mm Legrandite.
- Availability
- Sold
- Locality
- Mina Ojuela, Mapimi, Durango, Mexico
- Formula
- ZnFe3+2(AsO4)2(OH)2·4H2O
- Size
- Thumbnail 3x2x2cm
- Tagged
- arsenate
- Special Info
- Type Locality
Silky white crystals in a 8x5mm group. Ojuelaite is a very rare, hard to obtain mineral.
- Availability
- Sold
- Locality
- Kolemainen quarry, Amherst, Hillsborough Co., New Hampshire, United States
- Formula
- Na0.9-0.7Ca0.1-0.3Al1.1-1.3Si2.9-2.7O8
- Size
- SmCabinet 8x5x5cm
A 3cm, selnder, prismatic crystal of Oligoclase in pegmatite rock. Collected by Hampson in 1965.
- Availability
- Sold
- Locality
- Tsumeb mine, Tsumeb, Namibia
- Formula
- Cu2AsO4(OH)
- Size
- SmCabinet 5.5x3x4cm
- Tagged
- arsenate , copper
Deep green prismatic crystals of Olivenite to 3mm with bright pastel green cuprian Adamite. Excellent specimen from this classic locality. NIce paragenetic relationship between the two end members.
- Availability
- Sold
- Locality
- Majuba Hill mine, Pershing Co., Nevada, United States
- Formula
- Cu2AsO4(OH)
- Size
- SmCabinet 7x4x3cm
Good coverage of bladed Olivenite crystals to 1mm very much resembling grass.
