Omphacite and Sinhalite Physical Properties

Omphacite

Sinhalite

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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

3.16-3.433.46-3.50

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{110} Good, {110} Good

Not Available

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

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

MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Omphacite and Sinhalite Chemical Formula

While comparing Omphacite and Sinhalite 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 Sinhalite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Sinhalite- MgAlBO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Omphacite and Sinhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Sinhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Sinhalite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 3.46-3.50 whereas that of Sinhalite is 3.46-3.50.