Dolomite and Sapphire Physical Properties

Dolomite

Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Poorly soluble in dilute HCl

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.953.95-4.03

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

None, but may exhibit parting

1.7 Mohs Hardness

3.5-49

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Dolomite and Sapphire Chemical Formula

While comparing Dolomite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Sapphire- Al ₂ O ₃

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Dolomite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.