Arctite

Arctite
Arctite crystals
General
CategoryMinerals
Formula(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.[1] Its IMA symbol is Arc.[2] 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.[3] It is also a naturally occurring antiperovskite.[4]

Common associates of arctite include aegirine, natisite, lomonosovite, umbite and thenardite.[1]

References

  1. ^ a b 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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