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Krinovite

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Triclinic meteorite mineral
Krinovite
General
CategoryMineral
Formula
(repeating unit)		NaMg2CrSi3O10
IMA symbolKvi
Identification
Formula mass367.85 gm
ColorEmerald green
CleavageNone observed
Mohs scale hardness5½ - 7
LusterSub-Adamantine
StreakGreenish white
DiaphaneitySubtranslucent to opaque
Density3.38

Krinovite (pronounced kreen'-off-ite) is an emerald-green triclinic meteorite mineral, containing chromium, magnesium, oxygen, silicon, and sodium, of the aenigmatite group. "It has been discovered within graphite nodules in three iron meteorites," specifically the Canyon Diablo, Wichita County, and Youndegin meteorites. It was named in honour of Evgeny Leonidovich Krinov, Russian investigator of meteorites. It is a decaoxotrisilicate in the sorosilicate subclass.

References

  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.
  2. "krinovite". American Geosciences Institute. 2019-09-24. Retrieved 2020-12-19.
  3. "Krinovite Mineral Data". webmineral.com. Retrieved 2020-12-19.
  4. Olsen, Edward; Fuchs, Louis (1968-08-23). "Krinovite, NaMg2CrSi3O10: A New Meteorite Mineral". Science. 161 (3843): 786–787. doi:10.1126/science.161.3843.786. ISSN 0036-8075. PMID 17802623. S2CID 45032341.
  5. "Krinovite". www.mindat.org. Retrieved 2020-12-19.
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