Nepheline and Pyrope Almandine Physical Properties

Nepheline

Pyrope Almandine

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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

2.55-2.653.62-4.20

1 7.18

1.5 Fracture

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

ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)

1.6 Cleavage

[1010] Poor

Not Available

1.7 Mohs Hardness

5-67-7.5

2 10

1.8 Chemical Composition

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

(Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

Nepheline and Pyrope Almandine Chemical Formula

While comparing Nepheline and Pyrope Almandine 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 Nepheline and Pyrope Almandine chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Pyrope Almandine- (Fe,Mg) 3Al 2(SiO 4) 3gemdat.org , Management Team (2012)

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Nepheline and Pyrope Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Pyrope Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Pyrope Almandine Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.62-4.20 whereas that of Pyrope Almandine is 3.62-4.20.