Edenite and Chromite Physical Properties

Edenite

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

3.05-3.374.5-4.8

1 7.18

1.10 Fracture

Conchoidal, Brittle, Conchoidal

Uneven

1.11 Cleavage

Good on (110)

None, parting may develop along {111}

1.12 Mohs Hardness

5-65.5

2 10

1.14 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Fe++Cr2O4

Edenite and Chromite Chemical Formula

While comparing Edenite 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 Edenite and Chromite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Chromite- Fe++Cr2O4

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Edenite and Chromite Specific Gravity

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