Thulite and Kornerupine Physical Properties

Thulite

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

3.13.25-3.45

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

Good on {110}

1.7 Mohs Hardness

6-76.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Kornerupine Chemical Formula

While comparing Thulite 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 Thulite and Kornerupine chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
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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Thulite and Kornerupine Specific Gravity

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