Tenacity
-
Brittle
Solubility
-
Soluble
Durability
-
-
Specific Gravity
1.98-2.255.9
1
7.18
👆🏻
Fracture
Conchoidal
Sub-Conchoidal
Cleavage
None
None observed
Mohs Hardness
5-6.53
2
10
👆🏻
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
PbCu(VO4)(OH)