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Kutnohorite, Kutnahorite [abbr. Kut ]

Year of discovery: 1901 (Poličany, Czech), 1957 (Japan)

Locality list: 15 localities of kutnohorite

• CaMn(CO₃)₂
• Ca(Mn,Mg,Fe)(CO₃)₂
• [Ca²⁺][Mn²⁺][(CO₃)₂]^4-

• Class: Dolomite group
• Class: Carbonate

• Ca => Mn: Rhodochrosite

• Mn => Fe: Ankerite (Series)
• Mn => Mg: Dolomite
• Mn => Zn: Minrecordite
• Mn => Ca: Calcite, Aragonite, Vaterite

• Color: Pale pink, White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Translucent

• Habit: Rhombohedral

• Cleavage: Perfect on {1011} (3 planes)
• Hardness: 3.5-4
• Density: 3.1

• System: Trigonal
• Group: (-3), R(-3)
• Lattice: a=4.9, c=16.2