1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
{010} Perfect, {210} Perfect, {010} Imperfect
From the Greek for oblique and fracture, descriptive of the cleavage
1.7 Mohs Hardness
1.8 Chemical Composition
BaSO4
(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)