1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.98-3.032.56-2.62
1
7.18
1.5 Fracture
Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
[110] perfect; [010] distinct
From the Greek for oblique and fracture, descriptive of the cleavage
1.7 Mohs Hardness
1.8 Chemical Composition
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)