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Kobellite 
Summary
Kobellite is a gray, fibrous, metallic mineral with the chemical formula Pb22Cu4(Bi,Sb)30S69. It is also a sulfide mineral consisting of antimony, bismuth, and lead. It is a member of the izoklakeite – berryite series with silver and iron substituting in the copper site and a varying ratio of bismuth, antimony, and lead. It crystallizes with monoclinic pyramidal crystals. The mineral can be found in ores and deposits of Hvena, Sweden; Ouray, Colorado; and Wake County, North Carolina, US. The mineral was named after Wolfgang Franz von Kobell (1803–1882), a German mineralogist.
| Kobellite | |
|---|---|
 | |
| General | |
| Category | Sulfide minerals |
| Formula (repeating unit) | Pb22Cu4(Bi,Sb)30S69 |
| IMA symbol | Kbl[1] |
| Strunz classification | 2.HB.10a |
| Crystal system | Orthorhombic |
| Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Space group | Pnnm (no. 58) |
| Identification | |
| References | [2][3][4][5] |
See also edit
References edit
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ "Mineralienatlas – Fossilienatlas".
- ^ Mindat.org
- ^ Webmineral.com
- ^ Miehe, G. (June 1971). "Crystal Structure of Kobellite". Nature Physical Science. 231 (23): 133–134. Bibcode:1971NPhS..231..133M. doi:10.1038/physci231133a0.