Formula: Ca3Mg(BO3)2(CO3).nH2O
Origin of name: from Yakutian name for Siberia, Russia
Crystal system: cubic
Crystal class: 432
Twinning:
Unit cell:
Colour: gray to grayish white, fine grains colourless
Diaphaneity: transparent when fine-grained
Luster: vitreous to slighty greasy
Habit: massive, lens-like
Hardness: 5
Specific gravity: 2.78 to 2.83
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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