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Carnelian
Carnelian

Powellite
Powellite



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Carnelian
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Powellite

Carnelian and Powellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
4.23
Conchoidal
{111} Distinct
3.5-4
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Carnelian and Powellite Chemical Formula

While comparing Carnelian 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 Carnelian and Powellite chemical formula.

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Carnelian and Powellite Specific Gravity

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