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Prase Opal
Prase Opal

Tanzanite
Tanzanite



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Prase Opal
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Prase Opal and Tanzanite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
1.98-2.25
3.35
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Perfect {010}, imperfect {100}
1.7 Mohs Hardness
5-6.5
6.5-7
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)

Prase Opal and Tanzanite Chemical Formula

While comparing Prase Opal and Tanzanite 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 Prase Opal and Tanzanite chemical formula.

  • Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Prase Opal and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prase Opal and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 3.35 whereas that of Tanzanite is 3.35.