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Dioptase
Dioptase

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Dioptase
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Dioptase and Powellite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.25-3.35
4.23
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Perfect in three directions
{111} Distinct
1.7 Mohs Hardness
5
3.5-4
1.8 Chemical Composition
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Dioptase and Powellite Chemical Formula

While comparing Dioptase and Powellite 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 Powellite chemical formula.

  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Powellite- CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Dioptase and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Powellite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 4.23 whereas that of Powellite is 4.23.