Jadeite and Sylvite Physical Properties

Jadeite

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.381.993

1 7.18

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

Uneven, Brittle

1.6 Cleavage

Good on [110]

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

Not Available

Jadeite and Sylvite Chemical Formula

While comparing Jadeite and Sylvite 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 Jadeite and Sylvite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Jadeite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jadeite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 1.993 whereas that of Sylvite is 1.993.