1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
6.86-7.032.60-2.90
1
7.18
2.5 Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
2.6 Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}
Not Available
2.7 Mohs Hardness
2.11 Chemical Composition
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Be 3Al 2Si 6O 18Ulrich Henn and Claudio C.