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Nickeline
Nickeline

Apatite
Apatite



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Nickeline
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Apatite

Nickeline and Apatite 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
 
-
-
-
3.16-3.23
Conchoidal, Uneven, Conchoidal to uneven
[0001] indistinct, [1010] indistinct
5
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Nickeline and Apatite Chemical Formula

While comparing Nickeline and Apatite 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 Apatite chemical formula.

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Nickeline and Apatite Specific Gravity

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