Hypersthene and Nepheline Physical Properties

Hypersthene

Nepheline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.45-3.552.55-2.65

1 7.18

1.5 Fracture

Uneven

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{100} Perfect, {010} Perfect

[1010] Poor

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Hypersthene and Nepheline Chemical Formula

While comparing Hypersthene and Nepheline 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 Hypersthene and Nepheline chemical formula.

Chemical formula of Hypersthene- (Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Hypersthene and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hypersthene and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hypersthene and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Hypersthene is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.