1 Physical Properties
1.1 Tenacity
1.2 Solubility
Soluble
slightly water soluble and in hot hydrochloric acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.30-3.503.00-3.25
1
7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {110}, poor on {101}, {001} rare
Octahedral, perfect on {111}, parting on {011}
1.7 Mohs Hardness
1.8 Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaF2