Omphacite and Anorthoclase Physical Properties

Omphacite

Anorthoclase

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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

3.16-3.432.56-2.62

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} Good, {110} Good

From the Greek for oblique and fracture, descriptive of the cleavage

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Omphacite and Anorthoclase Chemical Formula

While comparing Omphacite and Anorthoclase 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 Anorthoclase chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Omphacite Vs Prase Opal

Omphacite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.