Kornerupine and Vivianite Physical Properties

Kornerupine

Vivianite

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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

3.25-3.452.64-2.70

1 7.18

1.5 Fracture

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

(e.g. graphite).

1.6 Cleavage

Good on {110}

{010} Perfect

1.7 Mohs Hardness

6.5Not Available

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Kornerupine and Vivianite Chemical Formula

While comparing Kornerupine and Vivianite 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 Vivianite 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 Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Compare Green Gemstones

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Kornerupine Vs Ludlamite

Kornerupine Vs Malachite

Kornerupine and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.