Andesine and Chromite Physical Properties

Andesine

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

2.65-2.694.5-4.8

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Uneven

1.6 Cleavage

Perfect on {001}, good on {010}

None, parting may develop along {111}

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Fe++Cr2O4

Andesine and Chromite Chemical Formula

While comparing Andesine 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 Andesine and Chromite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Chromite- Fe++Cr2O4

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Andesine and Chromite Specific Gravity

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