Kornerupine and Bertrandite Physical Properties

Kornerupine

Bertrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.25-3.45

Conchoidal, Uneven

Good on {110}

6.5

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

2.59-2.60

{001} Perfect, {110} Distinct, {101} Distinct

6-7

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Kornerupine and Bertrandite Chemical Formula

While comparing Kornerupine and Bertrandite 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 Bertrandite chemical formula.

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Kornerupine and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine Vs Bertrandite during the identification of gemstone. Specific gravity of Kornerupine is whereas that of Bertrandite is .