Carnelian and Kornerupine Physical Properties

Carnelian

Kornerupine

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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

2.58-2.643.25-3.45

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

Carnelian and Kornerupine Chemical Formula

While comparing Carnelian 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 Carnelian and Kornerupine chemical formula.

Chemical formula of Carnelian- 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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Carnelian and Kornerupine Specific Gravity

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