Datolite and Chromite Physical Properties

Datolite

Chromite

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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

2.90-3.004.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

None

None, parting may develop along {111}

1.7 Mohs Hardness

5-5.55.5

2 10

1.8 Chemical Composition

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

Fe++Cr2O4

Datolite and Chromite Chemical Formula

While comparing Datolite and Chromite 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 Datolite and Chromite chemical formula.

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

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Datolite and Chromite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Datolite and Chromite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Chromite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 4.5-4.8 whereas that of Chromite is 4.5-4.8.