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Crystal Opal
Crystal Opal

Petoskey Stone
Petoskey Stone



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Crystal Opal
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Petoskey Stone

Crystal Opal and Petoskey Stone 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
1.97-2.22Not Available
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5.5-6.57
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Not Available

Crystal Opal and Petoskey Stone Chemical Formula

While comparing Crystal Opal and Petoskey Stone 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 Petoskey Stone chemical formula.

  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Crystal Opal and Petoskey Stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Petoskey Stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Petoskey Stone Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is Not Available whereas that of Petoskey Stone is Not Available.