Sylvite and Scolecite Physical Properties

Sylvite

Scolecite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.20-2.23

1 7.18

1.5 Fracture

Uneven, Brittle

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

1.6 Cleavage

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

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

2.55-5.5

2 10

1.8 Chemical Composition

Not Available

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Sylvite and Scolecite Chemical Formula

While comparing Sylvite and Scolecite 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 Scolecite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Sylvite and Scolecite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Scolecite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Scolecite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.20-2.23 whereas that of Scolecite is 2.20-2.23.