1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Insoluble in acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.20-4.302.90-3.20
1
7.18
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Not Available
1.7 Mohs Hardness
1.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.