Pyrope and Kornerupine Physical Properties

Pyrope

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.62-3.873.25-3.45

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None

Good on {110}

1.7 Mohs Hardness

7-7.56.5

2 10

1.8 Chemical Composition

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

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

Pyrope and Kornerupine Chemical Formula

While comparing Pyrope and Kornerupine 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 Pyrope and Kornerupine chemical formula.

Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Red Gemstones

Pyrope Vs Rubellite

Pyrope Vs Rock Crystal

Pyrope Vs Rhodolite

Pyrope and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.