Chalcedony and Kornerupine Physical Properties

Chalcedony

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.25-3.45

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

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

1.6 Cleavage

Absent

Good on {110}

1.7 Mohs Hardness

6.5-76.5

2 10

1.8 Chemical Composition

SiO₂

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

Chalcedony and Kornerupine Chemical Formula

While comparing Chalcedony 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 Chalcedony and Kornerupine chemical formula.

Chemical formula of Chalcedony- SiO₂
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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Chalcedony and Kornerupine Specific Gravity

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