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Calcite
Calcite

Neptunite
Neptunite



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Calcite
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Neptunite

Calcite and Neptunite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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.
 
Brittle
-
-
3.19-3.23
Conchoidal
{110} good
5-6
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)

Calcite and Neptunite Chemical Formula

While comparing Calcite and Neptunite 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 Calcite and Neptunite chemical formula.

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Calcite and Neptunite Specific Gravity

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