1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
slightly water soluble and in hot hydrochloric acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.355-3.4333.00-3.25
1
7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
{???} Good, {???} Good
Octahedral, perfect on {111}, parting on {011}
1.7 Mohs Hardness
1.8 Chemical Composition
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
CaF2