Carnallite and Chalcedony Physical Properties

Carnallite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.6

2.55-2.70

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

None

Absent

1.7 Mohs Hardness

2.5

6.5-7

1.8 Chemical Composition

KMgCl3•6(H2O)

SiO₂

Carnallite and Chalcedony Chemical Formula

While comparing Carnallite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Chalcedony- SiO₂

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Carnallite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.