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Precious Opal
Precious Opal

Celestine
Celestine



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Precious Opal
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Celestine

Precious Opal and Celestine Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.25
3.90-4.00
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Not Available
Perfect on {001}, good on {210}, poor on {010}
1.7 Mohs Hardness
5-6.5
3-3.5
1.8 Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Celestine Chemical Formula

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

  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
  • Chemical formula of Celestine- SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Celestine Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 3.90-4.00 whereas that of Celestine is 3.90-4.00.