1 Physical Properties
1.1 Tenacity
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1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
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1.4 Specific Gravity
2.5 Fracture
Uneven, Uneven, Management Team (2012), Conchoidal, Brittle
Gems, Conchoidal, Brittle
2.6 Cleavage
2.7 Mohs Hardness
2.11 Chemical Composition
Fe 3O 4Ulrich Henn and Claudio C.
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references