Kornerupine and Phosgenite Physical Properties

Kornerupine

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.456.13

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Good on {110}

Distinct on {001} and {110}, indistinct on {100}

1.7 Mohs Hardness

6.52-3

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

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Kornerupine and Phosgenite Chemical Formula

While comparing Kornerupine and Phosgenite 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 Phosgenite 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 Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kornerupine and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 6.13 whereas that of Phosgenite is 6.13.