Anthophyllite and Chromite Physical Properties

Anthophyllite

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

2.9-3.54.5-4.8

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

Uneven

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

None, parting may develop along {111}

1.7 Mohs Hardness

5.5-65.5

2 10

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Fe++Cr2O4

Anthophyllite and Chromite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Chromite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Chromite- Fe++Cr2O4

Compare Brown Gemstones

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Anthophyllite and Chromite Specific Gravity

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