Physical Properties
Tenacity
Brittle
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.28-3.44
3.90-4.00
Fracture
Uneven, Splintery, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
Perfect on {001}, good on {210}, poor on {010}
Mohs Hardness
5.0-6.0
3-3.5
Chemical Composition
Not Available
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
