Agate and Smithsonite Physical Properties

Agate

Smithsonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.64

4.00-4.65

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Indiscernible

Perfect on [1011]

1.7 Mohs Hardness

6.5-7

5-5.5

1.8 Chemical Composition

SiO₂

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

Agate and Smithsonite Chemical Formula

While comparing Agate and Smithsonite 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 Agate and Smithsonite chemical formula.

Chemical formula of Agate- SiO₂
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Agate and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Agate is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.