Cobaltite and Dumortierite Physical Properties

Cobaltite

Dumortierite

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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

6.33.26-3.41

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

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Distinct on {100}, poor on {110}; parting on {001}

1.7 Mohs Hardness

5.57-8.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

AlAl₆O₃BSi₃O₁₈

Cobaltite and Dumortierite Chemical Formula

While comparing Cobaltite and Dumortierite 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 Dumortierite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈

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Cobaltite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.