Omphacite and Apophyllite Physical Properties

Omphacite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.43

2.30-2.50

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} Good, {110} Good

Perfect on (001)

1.7 Mohs Hardness

5-6

4.5-5

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Omphacite and Apophyllite Chemical Formula

While comparing Omphacite and Apophyllite 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 Omphacite and Apophyllite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

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Omphacite Vs Prase Opal

Omphacite Vs Pleonaste

Omphacite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.