Chrysoberyl and Kornerupine Physical Properties

Chrysoberyl

Kornerupine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.813.25-3.45

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

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

1.6 Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

Good on {110}

1.7 Mohs Hardness

8.56.5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Kornerupine Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Kornerupine chemical formula.

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

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Chrysoberyl and Kornerupine Specific Gravity

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