Labradorite and Chromite Physical Properties

Labradorite

Chromite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.724.5-4.8

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Uneven

1.6 Cleavage

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

None, parting may develop along {111}

1.7 Mohs Hardness

6-6.55.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Fe++Cr2O4

Labradorite and Chromite Chemical Formula

While comparing Labradorite 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 Labradorite and Chromite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Chromite- Fe++Cr2O4

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Labradorite and Chromite Specific Gravity

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