Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.0-3.3
2.39-4.00
Fracture
Uneven, Conchoidal, Conchoidal to uneven, Brittle
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Cleavage
On {10 1 1} perfect; parting on {10 1 2}
Not Available
Mohs Hardness
3.5-4
4-6
Chemical Composition
MnCO3
Not Available
