Chromite and Danburite Physical Properties

Chromite

Danburite

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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

4.5-4.82.97-3.03

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None, parting may develop along {111}

{001} Poor

1.7 Mohs Hardness

5.57

2 10

1.8 Chemical Composition

Fe++Cr2O4

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chromite and Danburite Chemical Formula

While comparing Chromite and Danburite 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 Danburite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Danburite- CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chromite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.