|
Chemical Composition: MnCO3
Group: Calcite
System: Hexagonal
Family: Carbonates
Hardness: 3.5 - 4.5
|
- Rhombohedral or scalenohedral crystals
- heavy, fragile
- Translucent
- Infusible, blackens gradually when heated
- Insoluble in cold hydrochloric acid but becomes
soluble when heated
- Found in: Argentina, DDR, France, Livorno, Romania,
Sondrio, South Africa, Spain, USA, former USSR
- Common
|
