Chromite and Emerald Physical Properties

Chromite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

4.5-4.82.67-2.78

1 7.18

1.5 Fracture

Uneven

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None, parting may develop along {111}

Imperfect on the [0001]

1.7 Mohs Hardness

5.57.5-8

2 10

1.8 Chemical Composition

Fe++Cr2O4

Be₃Al₂SiO₆

Chromite and Emerald Chemical Formula

While comparing Chromite and Emerald 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 Emerald chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Emerald- Be₃Al₂SiO₆

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Chromite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.