Formula: CaB2(OH)8
Origin of name: Locality; Novo-Frolovsk deposits, Urals, Russia
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell: a = 7.774, b = 5.68, c = 8.136, Z = 2; α = 113.15°, β = 101.67°, γ = 107.87°
Colour: White with grayish tint
Diaphaneity: Translucent
Luster: Dull, earthy
Habit: Massive, fine-grained
Hardness: 3.5
Specific gravity: 2.14
Cleavage: None
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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