Nepheline and Uvarovite Physical Properties

Nepheline

Uvarovite

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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

2.55-2.653.77

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle, Metallic, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

[1010] Poor

None

1.7 Mohs Hardness

5-66.5-7.5

2 10

1.8 Chemical Composition

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

Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

Nepheline and Uvarovite Chemical Formula

While comparing Nepheline and Uvarovite 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 Uvarovite chemical formula.

Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.
Chemical formula of Uvarovite- Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.

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Nepheline and Uvarovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepheline and Uvarovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepheline and Uvarovite Optical Properties during the identification of gemstone. Specific gravity of Nepheline is 3.77 whereas that of Uvarovite is 3.77.