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Oligoclase
Oligoclase

Dioptase
Dioptase



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Oligoclase
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Dioptase

Oligoclase and Dioptase Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.62-2.673.25-3.35
Amber
1 7.18
1.5 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
From the Greek, oligos and kasein, little cleavage.
Perfect in three directions
1.7 Mohs Hardness
6-6.55
Amber
2 10
1.8 Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Oligoclase and Dioptase Chemical Formula

While comparing Oligoclase 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 Oligoclase and Dioptase chemical formula.

  • Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Oligoclase and Dioptase Specific Gravity

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