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Epidote
Epidote

Nickeline
Nickeline



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Epidote
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Nickeline

Epidote and Nickeline Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-3.50
Conchoidal, Fibrous
{001} perfect and {100} imperfect
6-7
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
-9999
Conchoidal, Uneven
{1010} Imperfect, {0001} Imperfect
5-5.5
NiAs

Epidote and Nickeline Chemical Formula

While comparing Epidote and Nickeline 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 Epidote and Nickeline chemical formula.

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Epidote and Nickeline Specific Gravity

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