Carnallite and Anthophyllite Physical Properties

Carnallite

Anthophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.62.9-3.5

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

None

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

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

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

Carnallite and Anthophyllite Chemical Formula

While comparing Carnallite and Anthophyllite 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 Carnallite and Anthophyllite chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Carnallite and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.