Kornerupine and Coral Physical Properties

Kornerupine

Coral

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.452.60-2.70

1 7.18

1.5 Fracture

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

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

Good on {110}

Not Available

1.7 Mohs Hardness

6.53-4

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

CaCO 3Ulrich Henn and Claudio C.

Kornerupine and Coral Chemical Formula

While comparing Kornerupine and Coral 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 Coral 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
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Compare Green Gemstones

Kornerupine Vs Marble

Kornerupine Vs Malachite

Kornerupine Vs Ludlamite

Kornerupine and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Coral Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.60-2.70 whereas that of Coral is 2.60-2.70.