Dolomite and Anorthite Physical Properties

Dolomite

Anorthite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Poorly soluble in dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.952.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

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

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Dolomite and Anorthite Chemical Formula

While comparing Dolomite and Anorthite 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 Dolomite and Anorthite chemical formula.

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

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Dolomite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 2.77 whereas that of Anorthite is 2.77.