Sylvite and Andesine Physical Properties

Sylvite

Andesine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.993

2.65-2.69

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

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

Perfect on {001}, good on {010}

1.7 Mohs Hardness

2.5

6-6.5

1.8 Chemical Composition

Not Available

(Na,Ca)Al_1-2Si_3-2O₈

Sylvite and Andesine Chemical Formula

While comparing Sylvite and Andesine 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 Sylvite and Andesine chemical formula.

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

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Sylvite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.