Smithsonite and Coral Physical Properties

Smithsonite

Coral

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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

4.00-4.652.60-2.70

1 7.18

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

Perfect on [1011]

Not Available

1.7 Mohs Hardness

5-5.53-4

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Smithsonite and Coral Chemical Formula

While comparing Smithsonite and Coral 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 Coral chemical formula.

Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Compare Green Gemstones

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Smithsonite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Coral Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.60-2.70 whereas that of Coral is 2.60-2.70.