Formula: Ca(Mn,Mg,Fe)(CO3)2
Origin of name: After locality; Kutná Hora, Czech Republic
Crystal system: Hexagonal
Crystal class: -3
Twinning:
Unit cell: a = 4.85 Ǻ, c = 16.34 Ǻ
Colour: White, pale pink, pale rose
Diaphaneity:
Luster:
Habit: Anhedral masses; cleavable aggregates
Hardness: 3.5 to 4
Specific gravity: 3.12
Cleavage: None
Tenacity: Subconchoidal; brittle
Streak:
Synonyms/varieties:
Comments: Series with dolomite and with ankerite
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