Tenacity
-
-
Solubility
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.303.76-3.77
1
7.18
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Fracture
Uneven, Conchoidal
-
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
{110} Perfect, {110} Perfect
Mohs Hardness
6-6.55-6
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.