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Schorl
Schorl

Calcite
Calcite



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Schorl
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Calcite

Schorl and Calcite 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
Soluble
-
2.67-2.73
Conchoidal
Perfect on [10 1 1] three directions with angle of 74° 55
3
CaCO 3Ulrich Henn and Claudio C.

Schorl and Calcite Chemical Formula

While comparing Schorl and Calcite 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 Calcite chemical formula.

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Schorl and Calcite Specific Gravity

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