Grossular and Nepheline Physical Properties

Grossular

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

3.55-3.732.55-2.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

none

[1010] Poor

1.7 Mohs Hardness

7-7.55-6

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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

Grossular and Nepheline Chemical Formula

While comparing Grossular 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 Grossular and Nepheline chemical formula.

Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare Green Gemstones

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Grossular Vs Jade

Grossular Vs Hydrogrossular

Grossular and Nepheline Specific Gravity

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