Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Ramsbeck, Sauerland, North Rhine-Westphalia, Germany
- Formula
- NiSbS
- Size
- Miniature 4x3x2.5cm
- Tagged
- sulfide , nickel
An excellent specimen for three relatively uncommon nickel minerals. Ullmannite is a primary nickel-antimony-sulfide. Associated are two alterations of the Ullmannite: Bottinoite (aqua translucent platy crystals to about 1mm) and Annabergite (green spheroidal crystals).
- Availability
- Sold
- Locality
- Lake Boga granite quarry, Lake Boga, Victoria, Australia
- Formula
- CaCu(UO2)(PO4)2·4H2O
- Size
- Thumbnail 1.5x0.7x1cm
- Tagged
- phosphate
- Special Info
- Type & Only Locality
Two sprays of radiating bladed, lime green, Ulrichite crysals to 1mm. Excellent specimen. Ulrichite has only been found at Lake Boga.
- Availability
- Sold
- Locality
- Lake Boga granite quarry, Lake Boga, Victoria, Australia
- Formula
- CaCu(UO2)(PO4)2·4H2O
- Size
- Thumbnail 1x1.5x1cm
- Tagged
- phosphate
- Special Info
- Type Locality
A tiny spray of lime-green bladed Ulrichite to 1.5mm tucked in a small vug in a thumbnail sized piece of granite matrix.
- Availability
- Sold
- Locality
- Lake Boga granite quarry, Lake Boga, Victoria, Australia
- Formula
- CaCu(UO2)(PO4)2·4H2O
- Size
- Thumbnail 3x2.5x1.5cm
- Tagged
- phosphate
- Special Info
- Type Locality
Bright green bladed crystals in a group to 1mm.
- Availability
- Sold
- Locality
- Eldorado Mining & Refining Ltd., Beaverlodge Lake area, Saskatchewan, Canada
- Formula
- Cu3Se2
- Size
- Thumbnail 2.5x2.5x2cm
- Tagged
- copper , selenium
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
A unique locality for this rare selenium sulfide. The specimen is 2.5cm and sawed on one side for positive identification in the epoxy disc used for EDS/microprobe work. The Umangite is the dark grey or sooty black mass . Ex. Art Segoralli (sp?).
