{{Short description|Mineral}} {{Use dmy dates|date=January 2021}} {{Infobox mineral | name = Carobbiite | boxwidth = | boxbgcolor = | image = Carobbiite.png | imagesize = | alt = | caption = Carobbiite | struct image = | struct caption = | struct imagesize = | struct2 image = | struct2 caption = | struct2 imagesize= | SMILES = | Jmol = | category = | formula = KF | IMAsymbol=Crb<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> | molweight = 58.10 gm | strunz = 3.AA.20 | dana = 9.1.1.4 | system = Isometric - Hexoctahedral | class = m3m (4/m 3 2/m) - Hexoctahedral | symmetry = Cubic | unit cell = 152.27 ų | colour = Colorless | habit = | twinning = | cleavage = Distinct/Good | fracture = | tenacity = | toughness = | mohs = 2-2.5 | luster = Vitreous (Glassy) | streak = White | diaphaneity = Transparent | gravity = 2.505 | density = 2.524 | polish = | opticalprop = Isotropic, n=1.362. | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | Curie temp = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = }} '''Carobbiite''', chemical formula KF (potassium fluoride), is a rare, soft (Mohs 2 - 2.5), colourless cubic mineral.<ref>http://webmineral.com/data/Carobbiite.shtml Mineral data on Carobbiite</ref> It is found at Monte Somma, Somma-Vesuvius Complex, Province of Naples, Campania, Italy. It was discovered in 1956 by Italian geologist Guido Carobbi (1900–1983).<ref>http://rruff.geo.arizona.edu/doclib/hom/carobbiite.pdf Mineral Handbook</ref> It has also been reported from Hokkaido, Japan.<ref>http://www.mindat.org/min-908.html Mindat</ref>
==References== <references/>
Category:Potassium minerals Category:Fluorine minerals Category:Cubic minerals Category:Minerals in space group 225 Category:Rocksalt group
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