Carnallite and Kornerupine Physical Properties

Carnallite

Kornerupine

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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

1.63.25-3.45

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

None

Good on {110}

1.7 Mohs Hardness

2.56.5

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Carnallite and Kornerupine Chemical Formula

While comparing Carnallite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Carnallite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.