challacolloite
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Challacolloite, KPb2Cl5, is a rare halide mineral. It crystallizes in the monoclinic system (with space group P21/c) and occurs as white fumarolic encrustations on lava. It occurs as intergrowths with cotunnite.
Wikidata facts
- Subclass of
- halide class of minerals
- Image
- Challacolloite.jpg
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- Commons category
- Challacolloite
- chemical formula
- KPb₂Cl₅
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 3.AA.55
- Nickel-Strunz 9th edition (updated 2009)
- 3.AA.55
- crystal system
- monoclinic crystal system
- IMA Mineral Symbol
- Chc
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Encyclopedic overview
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Challacolloite, KPb2Cl5, is a rare halide mineral. It crystallizes in the monoclinic system (with space group P21/c) and occurs as white fumarolic encrustations on lava. It occurs as intergrowths with cotunnite.
It was first described from a finding at the Challacollo Mine, Iquique, Chile and thereafter identified in specimens from the 1855 Mount Vesuvius eruption and from the Kudryavyi volcano in the Kuriles and also from the Satsuma-Iwojima volcano in Japan. It was recognized as a valid mineral species by the IMA (International Mineralogical Association) in 2005.
Excerpted from Wikipedia’s “challacolloite” article, available under the CC BY-SA 4.0 licence.