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Opal
Opal

Shattuckite
Shattuckite



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Opal and Shattuckite Physical Properties

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1 Physical Properties
1.1 Tenacity
BrittleWalter Schumann
Not Available
1.2 Solubility
hot salt water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.253.80-4.15
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
None
perfect along [010] and [100]
1.7 Mohs Hardness
5-6.53.5-4
Amber
2 10
1.8 Chemical Composition
SiO2 · nH2O
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Opal and Shattuckite Chemical Formula

While comparing Opal and Shattuckite 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 Opal and Shattuckite chemical formula.

  • Chemical formula of Opal- SiO2 · nH2O
  • Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Opal and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Opal and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Opal and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Opal is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.