Scolecite and Rock Crystal Physical Properties

Scolecite

Rock Crystal

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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

2.20-2.232.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {110} and {1 1 0}

Not Available

1.7 Mohs Hardness

5-5.57

2 10

1.8 Chemical Composition

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

SiO 2Walter Schumann , Gemstones of the world (2001)

Scolecite and Rock Crystal Chemical Formula

While comparing Scolecite and Rock Crystal 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 Rock Crystal chemical formula.

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

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Scolecite and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 2.65 whereas that of Rock Crystal is 2.65.