Fuchsite and Carnallite Physical Properties

Fuchsite

Carnallite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.77-2.881.6

1 7.18

1.5 Fracture

Uneven

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect basal

None

1.7 Mohs Hardness

2.52.5

2 10

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

KMgCl3•6(H2O)

Fuchsite and Carnallite Chemical Formula

While comparing Fuchsite and Carnallite 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 Fuchsite and Carnallite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Carnallite- KMgCl3•6(H2O)

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Fuchsite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 1.6 whereas that of Carnallite is 1.6.