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Alpeite

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Alpeite
Alpeite crystals
General
CategoryMineral
Formula
(repeating unit)		Ca4Mn2Al2(MnMg)(SiO4)2(Si3O10)(VO4)(OH)6
IMA symbolApt
Identification
ColorBrownish red
TenacityBrittle
Mohs scale hardness5.5-6
LusterVitreous, Silky
StreakBeige
DiaphaneityTransparent
Specific gravity3.374

Alpeite (IMA symbol: Apt) is a calcium manganese magnesium silicate mineral with the chemical formula Ca4Mn2Al2(MnMg)(SiO4)2(Si3O10)(VO4)(OH)6. It is named for its type locality, the Monte Alpe mine in Italy.

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. Alpeite Archived 2019-04-06 at the Wayback Machine on mindat.org


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