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Piemontite
Piemontite

Schorl
Schorl



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Piemontite
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Schorl

Piemontite and Schorl Physical Properties

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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)
 
-
-
-
3.18-3.22
Uneven, Conchoidal
{1011} Indistinct
-9999
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Piemontite and Schorl Chemical Formula

While comparing Piemontite and Schorl 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 Schorl chemical formula.

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Piemontite and Schorl Specific Gravity

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