Tenacity
Slightly sectile
-
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
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Durability
-
-
Specific Gravity
22.79
1
7.18
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Fracture
Uneven
-
Cleavage
Prismatic {10 1 0}, perfect
{100} and {010} perfect
Mohs Hardness
2-2.56
2
10
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Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.