Arctite

Arctite (Na₂Ca₄(PO₄)₃F) is a colourless mineral found in the Kola Peninsula northern Russia. It's Mohs hardness is 5 and has a density of 3.11-3.13. Arctite is transparent with a vitreous lustre. Arctite has a perfect cleavage and a trigonal crystal system.

Additional recommended knowledge

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

References

• Mineral Handbook
• Mindat.org
• Webmineral data