Tenacity
-
-
Solubility
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.302.74-2.76
1
7.18
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Fracture
Uneven, Conchoidal
Uneven
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
{010} Perfect, {001} Distinct
Mohs Hardness
6-6.53.5-4
2
10
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Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)