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Fire Opal
Fire Opal

Riebeckite
Riebeckite



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Fire Opal
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Riebeckite

Fire Opal and Riebeckite 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
1.97-2.223.28-3.44
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Uneven, Splintery, Brittle
1.6 Cleavage
Not Available
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
1.7 Mohs Hardness
6-6.55.0-6.0
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
Not Available

Fire Opal and Riebeckite Chemical Formula

While comparing Fire Opal and Riebeckite 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 Riebeckite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
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Fire Opal and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.