×

Bertrandite
Bertrandite

Sardonyx
Sardonyx



ADD
Compare
X
Bertrandite
X
Sardonyx
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.59-2.60
-
{001} Perfect, {110} Distinct, {101} Distinct
6-7
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.