1 Physical Properties
1.1 Tenacity
0.0 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.5 Specific Gravity
1.15 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven, Brittle
1.16 Cleavage
Not Available
Imperfect on {001}, indistinct on {011}
1.17 Mohs Hardness
1.18 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Not Available