×

Prase Opal
Prase Opal

Sardonyx
Sardonyx



ADD
Compare
X
Prase Opal
X
Sardonyx
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.