Lizardite and Nepheline Physical Properties

Lizardite

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

2.552.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{001} Perfect

[1010] Poor

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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

Lizardite and Nepheline Chemical Formula

While comparing Lizardite 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 Lizardite and Nepheline chemical formula.

Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Nepheline- Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

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Lizardite and Nepheline Specific Gravity

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