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Fire Opal
Fire Opal

Smithsonite
Smithsonite



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Fire Opal
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Smithsonite

Fire Opal and Smithsonite 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
1.97-2.224.00-4.65
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
1.6 Cleavage
Not Available
Perfect on [1011]
1.7 Mohs Hardness
6-6.55-5.5
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fire Opal and Smithsonite Chemical Formula

While comparing Fire Opal and Smithsonite 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 Fire Opal and Smithsonite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fire Opal and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.