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Dioptase
Dioptase
☒

Nickeline
Nickeline
☒



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Dioptase
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Nickeline

Dioptase and Nickeline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
3.25-3.35
Conchoidal, ConchoidalWalter Schumann
Perfect in three directions
5
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
-9999
Conchoidal, Uneven
{1010} Imperfect, {0001} Imperfect
5-5.5
NiAs

Dioptase and Nickeline Chemical Formula

While comparing Dioptase 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 Dioptase and Nickeline chemical formula.

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Dioptase and Nickeline Specific Gravity

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