{{Short description|Nesosilicate mineral}} {{Infobox mineral | name = Humite | category = Nesosilicates | image = Humite-155029.jpg | imagesize = 260px | caption = Humite specimen, Italy | formula = (Mg,Fe)<sub>7</sub>(SiO<sub>4</sub>)<sub>3</sub>(F,OH)<sub>2</sub>. | IMAsymbol = Hu<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> | strunz = 9.AF.50 | system = Orthorhombic | class = Dipyramidal (mmm) <br/>H–M Symbol: (2/m 2/m 2/m) | symmetry = ''Pbnm'' | unit cell = a = 10.24, b = 20.72 <br/>c = 4.73 [Å]; Z = 4 | color = White, yellow, dark orange, brown | habit = | twinning = | cleavage = Poor | fracture = Uneven to subconchoidal | tenacity = Brittle | mohs = 6–6.5 | luster = Vitreous | refractive = n<sub>α</sub> =1.607–1.643, n<sub>β</sub>=1.619–1.653, n<sub>γ</sub>=1.639–1.675 | opticalprop = Biaxial (+) | birefringence = 0.0320 | pleochroism = | dispersion = Weak, r > v | 2V = Calculated = 70–78°, measured = 68–81° | streak = White | gravity = 3.20 – 3.32 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Transparent | other = | references = <ref name=HBM>[http://rruff.geo.arizona.edu/doclib/hom/humite.pdf Handbook of Mineralogy]</ref><ref name=Webmin>[http://webmineral.com/data/Humite.shtml Webmineral data]</ref><ref name=Mindat>[http://www.mindat.org/min-1947.html Mindat w/ locations]</ref> }} {{for|the eponymous group of minerals|Humite (mineral group)}}
'''Humite''' is a mineral found in the volcanically ejected masses of Vesuvius. It was first described in 1813 and named for Abraham Hume (1749–1838).<ref>{{Cite book| last1 = Deer | first1 = W. | last2 = Howie | first2 = R. | last3 = Zussman | first3 = J. | title = Rock-forming Minerals: Volume 1A, Second Edition, Orthosilicates | publisher = The Geological Society | date = 1997 | location = Bath, UK | isbn = 1-897799-88-8}}</ref>
==See also== {{Portal|Earth sciences}} * Alleghanyite * Chondrodite * Clinohumite * Jerrygibbsite
==References== {{reflist}}
==External links== {{Commons category-inline}}
Category:Magnesium minerals Category:Iron(II) minerals Category:Gemstones Category:Humite group Category:Orthorhombic minerals Category:Minerals in space group 62
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