Chromite and Datolite Physical Properties

Chromite

Datolite

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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

4.5-4.82.90-3.00

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None, parting may develop along {111}

None

1.7 Mohs Hardness

5.55-5.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chromite and Datolite Chemical Formula

While comparing Chromite and Datolite 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 Chromite and Datolite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chromite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.