gallobeudantite
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Gallobeudantite is a secondary, Gallium-bearing mineral of beudantite, where the Iron is replaced with Gallium, a rare-earth metal. It was first described as a distinct mineral by Jambor et al in 1996. Specific Gallium minerals are generally rare and Gallium itself is usually obtained as a by-product during the processing of the ores of other metals. In particular, the main source material for Gallium is bauxite, a key ore of aluminium. However, Gallobeudantite is too rare to be of economic value. Its main interest is academic and also among mineral collectors.
Wikidata facts
- Named after
- beudantite
Show 5 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 8.BL.05
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.BL.05
- crystal system
- trigonal crystal system
- IMA Mineral Symbol
- Gbdn
- chemical formula
- PbGa₃(AsO₄)(SO₄)(OH)₆
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Gallobeudantite is a secondary, Gallium-bearing mineral of beudantite, where the Iron is replaced with Gallium, a rare-earth metal. It was first described as a distinct mineral by Jambor et al in 1996. Specific Gallium minerals are generally rare and Gallium itself is usually obtained as a by-product during the processing of the ores of other metals. In particular, the main source material for Gallium is bauxite, a key ore of aluminium. However, Gallobeudantite is too rare to be of economic value. Its main interest is academic and also among mineral collectors.
Jambor et al. describes Gallobeudantite as having occurred as zoned rhombohedra, up to 200 μm along an edge, in vugs in a single specimen of massive Cu-bearing sulfides from Tsumeb, Namibia. Gallobeudantite can be pale yellow, greenish, or cream-colored and has a white to pale yellow streak. It has a vitreous luster.
Excerpted from Wikipedia’s “gallobeudantite” article, available under the CC BY-SA 4.0 licence.