Smithsonite and Omphacite Physical Properties

Smithsonite

Omphacite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.00-4.653.16-3.43

1 7.18

1.5 Fracture

Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic

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

1.6 Cleavage

Perfect on [1011]

{110} Good, {110} Good

1.7 Mohs Hardness

5-5.55-6

2 10

1.8 Chemical Composition

ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Smithsonite and Omphacite Chemical Formula

While comparing Smithsonite 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 Smithsonite and Omphacite chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael 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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Smithsonite and Omphacite Specific Gravity

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