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Crystal Opal
Crystal Opal

Zoisite
Zoisite



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Crystal Opal
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Zoisite

Crystal Opal and Zoisite 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
1.97-2.223.20-3.50
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
1.6 Cleavage
Not Available
Perfect {010} imperfect {100}
1.7 Mohs Hardness
5.5-6.56-7
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Ca2Al3(SiO4)3(OH)

Crystal Opal and Zoisite Chemical Formula

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

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

Crystal Opal and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.