Omphacite and Verdelite Physical Properties

Omphacite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.16-3.43

Uneven, Conchoidal

{110} Good, {110} Good

5-6

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

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Omphacite and Verdelite Chemical Formula

While comparing Omphacite and Verdelite 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 Verdelite chemical formula.

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Omphacite and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite Vs Verdelite during the identification of gemstone. Specific gravity of Omphacite is whereas that of Verdelite is .