Ajoite and Kornerupine Physical Properties

Ajoite

Kornerupine

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.963.25-3.45

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

Good on {110}

1.7 Mohs Hardness

56.5

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Kornerupine Chemical Formula

While comparing Ajoite 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 Ajoite and Kornerupine chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
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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Ajoite and Kornerupine Specific Gravity

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