1 Physical Properties
1.1 Tenacity
1.2 Solubility
insoluble in water
slightly water soluble and in hot hydrochloric acid
1.4 Durability
Not Available
Not Available
1.6 Specific Gravity
2.51-2.633.00-3.25
1
7.18
2.4 Fracture
Fibrous
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
2.5 Cleavage
Not Available
Octahedral, perfect on {111}, parting on {011}
2.6 Mohs Hardness
2.11 Chemical Composition
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
CaF2