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Nickeline
Nickeline
☒

Calcite
Calcite
☒



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Nickeline
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Calcite

Nickeline and Calcite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Conchoidal, Uneven
{1010} Imperfect, {0001} Imperfect
5-5.5
NiAs
 
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.

Nickeline and Calcite Chemical Formula

While comparing Nickeline 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 Nickeline and Calcite chemical formula.

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Nickeline and Calcite Specific Gravity

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