1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.86-7.033.83-3.89
1
7.18
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Uneven, Conchoidal, UnevenArthur Thomas, Brittle
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Perfect on {01 1 1}
2.7 Mohs Hardness
2.11 Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references