Chiastolite and Scolecite Physical Properties

Chiastolite

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

3.00-3.152.20-2.23

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

5-5.55-5.5

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

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

Chiastolite and Scolecite Chemical Formula

While comparing Chiastolite 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 Chiastolite and Scolecite chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

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Chiastolite and Scolecite Specific Gravity

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