Moldavite and Scolecite Physical Properties

Moldavite

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

2.32-2.382.20-2.23

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

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

5.55-5.5

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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

Moldavite and Scolecite Chemical Formula

While comparing Moldavite 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 Moldavite and Scolecite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Moldavite and Scolecite Specific Gravity

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