Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.322.56-2.60
1
7.18
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Fracture
-
Uneven, ConchoidalWalter Schumann
Cleavage
{???} Distinct, {???} Distinct, {???} Distinct
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Mohs Hardness
-99996-6.5
2
10
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Chemical Composition
LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8