Kornerupine and Celestine Physical Properties

Kornerupine

Celestine

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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

3.25-3.453.90-4.00

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Good on {110}

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

6.53-3.5

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Kornerupine and Celestine Chemical Formula

While comparing Kornerupine and Celestine 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 Celestine 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 Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kornerupine and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Celestine Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 3.90-4.00 whereas that of Celestine is 3.90-4.00.