Dolomite and Hematite Physical Properties

Dolomite

Hematite

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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

2.80-2.955.00-5.30

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

3.5-46

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Dolomite and Hematite Chemical Formula

While comparing Dolomite and Hematite 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 Hematite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Dolomite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dolomite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.