Chromite and Jade Physical Properties

Chromite

Jade

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.82.90-3.38

1 7.18

1.5 Fracture

Uneven

Gemstones of the world (2001), Difficult, Splintery

1.6 Cleavage

None, parting may develop along {111}

1 or 2,2 prismatic.

1.7 Mohs Hardness

5.56-7

2 10

1.8 Chemical Composition

Fe++Cr2O4

Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

Chromite and Jade Chemical Formula

While comparing Chromite and Jade 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 Jade chemical formula.

Chemical formula of Chromite- Fe++Cr2O4
Chemical formula of Jade- Nephrite: Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂ Jadeite: NaAlSi₂O₆

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Chromite and Jade Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Jade Optical Properties during the identification of gemstone. Specific gravity of Chromite is 2.90-3.38 whereas that of Jade is 2.90-3.38.