Tenacity
Slightly sectile
-
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Partly soluble in HCl.
Durability
-
-
Specific Gravity
23.32-3.43
1
7.18
👆🏻
Fracture
Uneven
Conchoidal
Cleavage
Prismatic {10 1 0}, perfect
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
2-2.55.5-6
2
10
👆🏻
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references