Physical Properties
Tenacity
Brittle
-
Solubility
Soluble
-
Durability
-
-
Specific Gravity
2.67-2.732.55-2.63
1
7.18
👆🏻
Fracture
Conchoidal
Uneven
Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
{001} Perfect, {010} Good
Mohs Hardness
36-6.5
2
10
👆🏻
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
KAlSi 3O 8Arthur Thomas , Gemstones (2009)