Sylvite and Kornerupine Physical Properties

Sylvite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.25-3.45

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

Good on {110}

1.7 Mohs Hardness

2.56.5

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Kornerupine Chemical Formula

While comparing Sylvite 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 Sylvite and Kornerupine chemical formula.

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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Sylvite and Kornerupine Specific Gravity

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