Kornerupine and Catapleiite Physical Properties

Kornerupine

Catapleiite

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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

3.25-3.452.72

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Good on {110}

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

6.55-6

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

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Kornerupine and Catapleiite Chemical Formula

While comparing Kornerupine and Catapleiite 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 Catapleiite 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 Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Kornerupine and Catapleiite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Catapleiite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Catapleiite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.72 whereas that of Catapleiite is 2.72.