Sinhalite and Omphacite Physical Properties

Sinhalite

Omphacite

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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

3.46-3.503.16-3.43

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

{110} Good, {110} Good

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

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

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

Sinhalite and Omphacite Chemical Formula

While comparing Sinhalite and Omphacite 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 Sinhalite and Omphacite chemical formula.

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

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Sinhalite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.