Selenite and Scolecite Physical Properties

Selenite

Scolecite

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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

Not Available2.20-2.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

Perfect on {110} and {1 1 0}

1.7 Mohs Hardness

25-5.5

2 10

1.8 Chemical Composition

Not Available

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

Selenite and Scolecite Chemical Formula

While comparing Selenite 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 Selenite and Scolecite chemical formula.

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

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Selenite and Scolecite Specific Gravity

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