Omphacite and Verdite Physical Properties

Omphacite

Verdite

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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

3.16-3.432.80-3.0

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{110} Good, {110} Good

{110} Good

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

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

NaFeS2•2(H2O)

Omphacite and Verdite Chemical Formula

While comparing Omphacite and Verdite 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 Verdite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Verdite- NaFeS2•2(H2O)

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Omphacite and Verdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.