Andesine and Sylvite Physical Properties

Andesine

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.691.993

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Uneven, Brittle

1.6 Cleavage

Perfect on {001}, good on {010}

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

1.7 Mohs Hardness

6-6.52.5

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Not Available

Andesine and Sylvite Chemical Formula

While comparing Andesine 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 Andesine and Sylvite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Andesine and Sylvite Specific Gravity

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