1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.943-6.072.90-2.98
1
7.18
1.6 Fracture
Brittle, Metallic
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.8 Cleavage
{010} Good
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
1.9 Mohs Hardness
1.13 Chemical Composition
Not Available
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references