Kornerupine and Turquoise Physical Properties

Kornerupine

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.45

2.30-2.90

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Good on {110}

Good to perfect_usually N/A

1.7 Mohs Hardness

6.5

5-6

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Kornerupine and Turquoise Chemical Formula

While comparing Kornerupine and Turquoise 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 Turquoise 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 Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Kornerupine and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.