Cobaltite and Kornerupine Physical Properties

Cobaltite

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

6.33.25-3.45

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

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

1.6 Cleavage

{100} Good, {010} Good, {001} Good

Good on {110}

1.7 Mohs Hardness

5.56.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

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

Cobaltite and Kornerupine Chemical Formula

While comparing Cobaltite 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 Cobaltite and Kornerupine chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Gems Found in America

Cobaltite Vs Diamond

Cobaltite Vs Diopside

Cobaltite Vs Datolite

Cobaltite and Kornerupine Specific Gravity

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