1 Physical Properties
1.2 Tenacity
1.5 Solubility
slightly water soluble and in hot hydrochloric acid
Not Available
1.6 Durability
Not Available
Not Available
1.7 Specific Gravity
3.00-3.251.98-2.50
1
7.18
1.8 Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.9 Cleavage
Octahedral, perfect on {111}, parting on {011}
Not Available
1.10 Mohs Hardness
1.11 Chemical Composition