Kornerupine and Pyrope Physical Properties

Kornerupine

Pyrope

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.453.62-3.87

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good on {110}

None

1.7 Mohs Hardness

6.57-7.5

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

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Kornerupine and Pyrope Chemical Formula

While comparing Kornerupine and Pyrope 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 Pyrope 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 Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Kornerupine and Pyrope Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.