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Smithsonite
Smithsonite

Fire Opal
Fire Opal



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Smithsonite
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Fire Opal

Smithsonite and Fire Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.00-4.651.97-2.22
Amber
1 7.18
1.5 Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Perfect on [1011]
Not Available
1.7 Mohs Hardness
5-5.56-6.5
Amber
2 10
1.8 Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Smithsonite and Fire Opal Chemical Formula

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

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

Smithsonite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.