Kornerupine and Sellaite Physical Properties

Kornerupine

Sellaite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.45

3.14-3.16

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Good on {110}

Perfect on {010} and {110}

1.7 Mohs Hardness

6.5

5-5.5

1.8 Chemical Composition

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

MgF 2Ulrich Henn and Claudio C.

Kornerupine and Sellaite Chemical Formula

While comparing Kornerupine and Sellaite 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 Sellaite 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 Sellaite- MgF 2Ulrich Henn and Claudio C.

Compare Green Gemstones

Kornerupine Vs Ludlamite

Kornerupine Vs Marble

Kornerupine Vs Malachite

Kornerupine and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.

Green Gemstones

Kyanite Cyprine

Lazurite

Liddicoatite

Lizardite

Ludlamite

Malachite