Dioptase and Gahnite Physical Properties

Dioptase

Gahnite

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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

3.25-3.354.00-4.62

1 7.18

1.5 Fracture

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

Conchoidal, Uneven

1.6 Cleavage

Perfect in three directions

Indistinct parting on [111]

1.7 Mohs Hardness

57.5-8

2 10

1.8 Chemical Composition

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

ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Dioptase and Gahnite Chemical Formula

While comparing Dioptase and Gahnite 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 Gahnite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Dioptase and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.