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Schorl
Schorl

Proustite
Proustite



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Schorl
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Proustite

Schorl and Proustite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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)
 
Brittle
-
-
5.51-5.64
Uneven, Conchoidal
Distinct on {10 1 1}
2.5
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Schorl and Proustite Chemical Formula

While comparing Schorl and Proustite 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 Schorl and Proustite chemical formula.

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Schorl and Proustite Specific Gravity

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