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Papagoite
Papagoite

Precious Opal
Precious Opal



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Papagoite
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Precious Opal

Papagoite and Precious Opal Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.251.98-2.25
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Imperfect in one direction
None

Mohs Hardness

5-5.55-6.5
2 10
👆🏻

Chemical Composition

CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Papagoite and Precious Opal Chemical Formula

While comparing Papagoite and Precious Opal 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 Papagoite and Precious Opal chemical formula.

  • Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Papagoite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Papagoite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.