Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.325.85-6.15
1
7.18
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Fracture
-
Conchoidal
Cleavage
{???} Distinct, {???} Distinct, {???} Distinct
Fair in four directions forming octahedrons
Mohs Hardness
-99993.5-4
2
10
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Chemical Composition
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references