Sylvite and Leucite Physical Properties

Sylvite

Leucite

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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

1.9932.45-2.50

1 7.18

1.5 Fracture

Uneven, Brittle

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Poor on {110}

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

Not Available

KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Sylvite and Leucite Chemical Formula

While comparing Sylvite and Leucite 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 Leucite chemical formula.

Chemical formula of Leucite- KAlSi 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sylvite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.