Emerald and Chromite Physical Properties

Emerald

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.784.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

Imperfect on the [0001]

None, parting may develop along {111}

1.7 Mohs Hardness

7.5-85.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Fe++Cr2O4

Emerald and Chromite Chemical Formula

While comparing Emerald 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 Emerald and Chromite chemical formula.

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

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Emerald and Chromite Specific Gravity

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