×

Piemontite
Piemontite

Powellite
Powellite



ADD
Compare
X
Piemontite
X
Powellite

Piemontite and Powellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Piemontite and Powellite Chemical Formula

While comparing Piemontite and Powellite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Piemontite and Powellite chemical formula.

    >>

Piemontite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Piemontite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Piemontite Vs Powellite during the identification of gemstone. Specific gravity of Piemontite is whereas that of Powellite is .