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Fire Opal
Fire Opal

Plasma
Plasma



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Fire Opal
X
Plasma

Fire Opal and Plasma Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

1.97-2.22-9999
1 7.18
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Fracture

Conchoidal
-

Cleavage

None
None

Mohs Hardness

6-6.5-9999
2 10
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Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Cu9(AsO4)2(OH)10

Fire Opal and Plasma Chemical Formula

While comparing Fire Opal and Plasma 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 Plasma chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Plasma- Cu9(AsO4)2(OH)10

Fire Opal and Plasma Specific Gravity

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