Pyroxmangite and Nepheline Physical Properties

Pyroxmangite

Nepheline

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1 Physical Properties

1.1 Tenacity

Not Available

1.1 Solubility

Not Available

1.4 Durability

Not Available

1.6 Specific Gravity

3.76-3.772.55-2.65

1 7.18

1.16 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

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

1.17 Cleavage

{110} Perfect, {110} Perfect

[1010] Poor

1.18 Mohs Hardness

5-65-6

2 10

1.19 Chemical Composition

(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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

Pyroxmangite and Nepheline Chemical Formula

While comparing Pyroxmangite 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 Pyroxmangite and Nepheline chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Pyroxmangite and Nepheline Specific Gravity

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