1 Physical Properties
1.1 Tenacity
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1.4 Solubility
Not Available
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1.8 Durability
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1.11 Specific Gravity
Not Available1.98-2.50
1
7.18
1.19 Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Conchoidal
1.20 Cleavage
1.21 Mohs Hardness
1.23 Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Not Available