Anorthite and Smithsonite Physical Properties

Anorthite

Smithsonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.774.00-4.65

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

Perfect [001] good [010] poor [110]

Perfect on [1011]

1.7 Mohs Hardness

6-6.55-5.5

2 10

1.8 Chemical Composition

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Anorthite and Smithsonite Chemical Formula

While comparing Anorthite 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 Anorthite and Smithsonite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Anorthite and Smithsonite Specific Gravity

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