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Rutile
Rutile

Crystal Opal
Crystal Opal



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Rutile
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Crystal Opal

Rutile and Crystal Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Insoluble in acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.20-4.301.97-2.22
Amber
1 7.18
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Not Available
1.7 Mohs Hardness
6-6.55.5-6.5
Amber
2 10
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2 + H 2OUlrich Henn and Claudio C.

Rutile and Crystal Opal Chemical Formula

While comparing Rutile and Crystal 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 Rutile and Crystal Opal chemical formula.

  • Chemical formula of Rutile- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Rutile and Crystal Opal Specific Gravity

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