Kornerupine and Rosasite Physical Properties

Kornerupine

Rosasite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.454-4.2

1 7.18

1.5 Fracture

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

Splintery

1.6 Cleavage

Good on {110}

Perfect on {100} and {010}

1.7 Mohs Hardness

6.54

2 10

1.8 Chemical Composition

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

Not Available

Kornerupine and Rosasite Chemical Formula

While comparing Kornerupine and Rosasite 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 Kornerupine and Rosasite 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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Kornerupine and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 4-4.2 whereas that of Rosasite is 4-4.2.