Humite: Difference between revisions

Humite
Humite
	Humite specimen, Italy
Allgemein
Kategorie	Nesosilicates
Formula; (repeating unit)	(Mg,Fe)7(SiO4)3(F,OH)2.
IMA symbol	Hu
Strunz classification	9.AF.50
Crystal system	Orthorhombic
Crystal class	Dipyramidal (mmm) ; H–M Symbol: (2/m 2/m 2/m)
Space group	Pbnm
Unit cell	a = 10.24, b = 20.72 ; c = 4.73 [Å]; Z = 4
Identification
Color	White, yellow, dark orange, brown
Cleavage	Poor
Fracture	Uneven to subconchoidal
Tenacity	Brittle
Mohs scale hardness	6–6.5
Luster	Vitreous
Streak	White
Diaphaneity	Transparent
Specific gravity	3.20 – 3.32
Optical properties	Biaxial (+)
Refractive index	nα =1.607–1.643, nβ=1.619–1.653, nγ=1.639–1.675
Birefringence	0.0320
2V angle	Calculated = 70–78°, measured = 68–81°
Dispersion	Weak, r > v
References

Browse history interactively

← Previous edit

Content deleted Content added

VisualWikitext

Inline

Latest revision as of 21:26, 18 January 2024

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).^[5]

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.
^ Handbook of Mineralogy
^ Webmineral data
^ Mindat w/ locations
^ Deer, W.; Howie, R.; Zussman, J. (1997). Rock-forming Minerals: Volume 1A, Second Edition, Orthosilicates. Bath, UK: The Geological Society. ISBN 1-897799-88-8.

External links

Media related to Humite at Wikimedia Commons

This article about a specific silicate mineral is a stub. You can help Wikipedia by expanding it.

[1] 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.

[HBM-2] Handbook of Mineralogy

[Webmin-3] Webmineral data

[Mindat-4] Mindat w/ locations

[5] Deer, W.; Howie, R.; Zussman, J. (1997). Rock-forming Minerals: Volume 1A, Second Edition, Orthosilicates. Bath, UK: The Geological Society. ISBN 1-897799-88-8.

[1]

[2]

[3]

[4]

[5]

@@ Line 1: / Line 1: @@
 {{Infobox mineral
-| name        = '''Humite'''
+| name        = Humite
-| category    = [[Neosilicate]]s
+| category    = [[Silicate minerals|Nesosilicates]]
-| boxwidth    =
+| image       = Humite-155029.jpg
-| boxbgcolor  =
+| imagesize   = 260px
-| image       = Humite with Spinel.jpg
+| caption     = Humite specimen, Italy
-| imagesize   =
-| caption     = Humite specimen with [[spinel]] (purple) intergrowth
 | 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>
-| molweight   =
-| color       = Brown to orange color
+| 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&nbsp;[Å]; Z&nbsp;=&nbsp;4
+| color       = White, yellow, dark orange, brown
 | habit       =
-| system      = Orthorhombic
 | twinning    =
 | cleavage    = Poor
-| fracture    =
+| fracture    = Uneven to subconchoidal
-| mohs        = 6-6.5
+| 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
-| refractive  =
-| opticalprop = Biaxial (+), a=1.607-1.643, b=1.619-1.653, g=1.639-1.675, bire=0.0320, 2V(Calc)=70-78, 2V(Meas)=68-81. Dispersion weak, r > v.
+| opticalprop = Biaxial (+)
-| birefringence =
+| birefringence = 0.0320
 | pleochroism =
+| dispersion  = Weak, r > v
+| 2V          = Calculated = 70–78°, measured = 68–81°
 | streak      = White
-| gravity     =
+| gravity     = 3.20 – 3.32
 | density     =
 | melt        =
@@ Line 30: / Line 35: @@
 | diaphaneity = Transparent
 | other       =
-| references  = <ref>http://webmineral.com/data/Humite.shtml</ref>
+| 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 [[volcanic]]ally ejected masses of [[Vesuvius]]. It was first described in 1813 and named for [[Sir Abraham Hume, 2nd Baronet|Abraham Hume]] (1749-1838).<ref>{{Cite book
+'''Humite''' is a [[mineral]] found in the [[volcanic]]ally ejected masses of [[Vesuvius]]. It was first described in 1813 and named for [[Sir Abraham Hume, 2nd Baronet|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>
-  | last = Deer
-  | first = W.
-  | authorlink =
-  | last2 = Howie
-  | first2 = R.
-  | authorlink =
-  | last3 = Zussman
-  | first3 = J.
-  | authorlink =
-  | coauthors =
-  | title = Rock-forming Minerals: Volume 1A, Second Edition, Orthosilicates
-  | publisher = The Geological Society
-  | date = 1997
-  | location = Bath, UK
-  | pages =
-  | url =
-  | doi =
-  | id =
-  | isbn = 189779988}}</ref>
 ==See also==
+{{Portal|Earth sciences}}
-* [[Jerrygibbsite]]
+* [[Alleghanyite]]
 * [[Chondrodite]]
 * [[Clinohumite]]
-* [[Alleghanyite]]
+* [[Jerrygibbsite]]
 ==References==
@@ Line 65: / Line 52: @@
 ==External links==
+{{Commons category-inline}}
-*[http://www.mindat.org/min-1947.html Mindat w/ locations]
 [[Category:Magnesium minerals]]
-[[Category:Iron minerals]]
+[[Category:Iron(II) minerals]]
-[[Category:Hydroxide minerals]]
 [[Category:Gemstones]]
 [[Category:Humite group]]
 [[Category:Orthorhombic minerals]]
+[[Category:Minerals in space group 62]]
-{{silicate-mineral-stub}}
+{{silicate-mineral-stub}}
-[[fr:Humite]]
-[[hr:Humit]]
-[[it:Humite]]
-[[he:הומיט]]
-[[lt:Humitas]]
-[[hu:Humit]]
-[[nl:Humiet]]
-[[th:ฮิวไมต์]]
-[[uk:Гуміт (мінерал)]]
-[[zh:矽鎂石]]