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'''Albrechtschraufite''' ([[International Mineralogical Association|IMA]] [[List of mineral symbols|symbol]]: Asf<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA-CNMNC approved mineral symbols |
'''Albrechtschraufite''' ([[International Mineralogical Association|IMA]] [[List of mineral symbols|symbol]]: Asf<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA-CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}</ref>) is a very rare complex hydrated [[calcium]] and [[magnesium]]-bearing [[uranyl]] [[fluoride]] [[carbonate mineral]] with formula Ca<sub>4</sub>Mg(UO<sub>2</sub>)<sub>2</sub>(CO<sub>3</sub>)<sub>6</sub>F<sub>2</sub>·17H<sub>2</sub>O.<ref>[http://www.mindat.org/min-97.html Mindat]</ref><ref>[http://webmineral.com/data/Albrechtschraufite.shtml Webmineral]</ref><ref>[http://www.handbookofmineralogy.org/pdfs/albrechtschraufite.pdf Handbook of Mineralogy]</ref> Its [[molar weight]] is 1,428.98 g, color yellow-green, [[Streak (mineralogy)|streak]] white, [[density]] 2.6 g/cm<sup>3</sup>, [[Mohs hardness]] 2-3, and [[Lustre (mineralogy)|luster]] is vitreous (glassy). It is named after [[Albrecht Schrauf]] (1837–1897), Professor of Mineralogy, [[University of Vienna]]. Its [[Type locality (geology)|type locality]] is [[Jáchymov]], Jáchymov District, [[Ore Mountains|Krušné Hory Mountains]], [[Karlovy Vary Region]], Bohemia, [[Czech Republic]]. |
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==See also== |
==See also== |
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Revision as of 10:56, 11 February 2023
Albrechtschraufite (IMA symbol: Asf[1]) is a very rare complex hydrated calcium and magnesium-bearing uranyl fluoride carbonate mineral with formula Ca4Mg(UO2)2(CO3)6F2·17H2O.[2][3][4] Its molar weight is 1,428.98 g, color yellow-green, streak white, density 2.6 g/cm3, Mohs hardness 2-3, and luster is vitreous (glassy). It is named after Albrecht Schrauf (1837–1897), Professor of Mineralogy, University of Vienna. Its type locality is Jáchymov, Jáchymov District, Krušné Hory Mountains, Karlovy Vary Region, Bohemia, Czech Republic.
See also
References
- ^ 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.
- ^ Mindat
- ^ Webmineral
- ^ Handbook of Mineralogy