Hardystonite and Nepheline Physical Properties

Hardystonite

Nepheline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.396-3.4432.55-2.65

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

[001] good, [100] and [110] fair

[1010] Poor

1.7 Mohs Hardness

3-45-6

2 10

1.8 Chemical Composition

Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)

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

Hardystonite and Nepheline Chemical Formula

While comparing Hardystonite 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 Hardystonite and Nepheline chemical formula.

Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Compare White Gemstones

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Hardystonite Vs Leucite

Hardystonite Vs Jadeite

Hardystonite and Nepheline Specific Gravity

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