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Arctite

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Colourless mineral found in the Kola Peninsula northern Russia
Arctite
Arctite crystals
General
CategoryMineral
Formula
(repeating unit)		(Na2Ca4(PO4)3F)
IMA symbolArc
Identification
ColorColorless
Mohs scale hardness5
LusterVitreous, Sub-Vitreous, Pearly
Specific gravity3.13

Arctite (Na2Ca4(PO4)3F) is a colourless mineral found in the Kola Peninsula northern Russia. Its IMA symbol is Arc. It has a Mohs hardness of 5 and has a specific gravity of 3.13. Arctite is transparent with a vitreous lustre. Arctite has a perfect cleavage and a trigonal crystal system. It is also a naturally occurring antiperovskite.

Common associates of arctite include aegirine, natisite, lomonosovite, umbite and thenardite.

References

  1. ^ Mineral Handbook
  2. 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.
  3. Mindat.org
  4. Arctite Supergroup on Mindat


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