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Pargasite
Pargasite

Fire Opal
Fire Opal



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Pargasite
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Fire Opal

Pargasite and Fire Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.04-3.261.97-2.22
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Uneven
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
{110} perfect
Not Available
1.7 Mohs Hardness
5-66-6.5
Amber
2 10
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Pargasite and Fire Opal Chemical Formula

While comparing Pargasite 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 Pargasite and Fire Opal chemical formula.

  • Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Pargasite and Fire Opal Specific Gravity

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