Scolecite and Powellite Physical Properties

Scolecite

Powellite

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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

2.20-2.234.23

1 7.18

1.5 Fracture

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

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on {110} and {1 1 0}

{111} Distinct

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

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

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Scolecite and Powellite Chemical Formula

While comparing Scolecite and Powellite 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 Powellite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Scolecite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 4.23 whereas that of Powellite is 4.23.