Prasiolite and Chromite Physical Properties

Prasiolite

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

2.654.5-4.8

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

3,1

None, parting may develop along {111}

1.7 Mohs Hardness

75.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Fe++Cr2O4

Prasiolite and Chromite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Chromite chemical formula.

Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Chromite- Fe++Cr2O4

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Prasiolite and Chromite Specific Gravity

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