Tenacity
-
Brittle
Solubility
-
slightly water soluble and in hot hydrochloric acid
Durability
-
-
Specific Gravity
2.793.00-3.25
1
7.18
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Fracture
-
Subconchoidal, Uneven, ConchoidalWalter Schumann
Cleavage
{100} and {010} perfect
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
64
2
10
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Chemical Composition
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.
CaF2