Scolecite and Star Sapphire Physical Properties

Scolecite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.233.90-4.05

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect on {110} and {1 1 0}

Not Available

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Scolecite and Star Sapphire Chemical Formula

While comparing Scolecite and Star Sapphire 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 Scolecite and Star Sapphire chemical formula.

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

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Scolecite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.