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Calcite
Calcite

Dioptase
Dioptase



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Calcite
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Dioptase

Calcite and Dioptase Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.67-2.73
3.25-3.35
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Perfect on [10 1 1] three directions with angle of 74° 55
Perfect in three directions
1.7 Mohs Hardness
3
5
1.8 Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Calcite and Dioptase Chemical Formula

While comparing Calcite and Dioptase 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 Calcite and Dioptase chemical formula.

  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Calcite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Calcite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.

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