Dioptase and Cobaltite Physical Properties

Dioptase

Cobaltite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.356.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect in three directions

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

1.7 Mohs Hardness

55.5

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CoAsSAnthony et al , Handbook of mineralogy (2001)

Dioptase and Cobaltite Chemical Formula

While comparing Dioptase and Cobaltite 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 Dioptase and Cobaltite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Dioptase Vs Euclase

Dioptase Vs Feldspar

Dioptase Vs Faustite

Dioptase and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 6.3 whereas that of Cobaltite is 6.3.