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Chrome Pyrope
Chrome Pyrope

Common Opal
Common Opal



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Chrome Pyrope
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Common Opal

Chrome Pyrope and Common Opal 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
3.62-3.801.98-2.50
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
7-7.55.5-6.5
Amber
2 10
1.8 Chemical Composition
Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Chrome Pyrope and Common Opal Chemical Formula

While comparing Chrome Pyrope and Common 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 Chrome Pyrope and Common Opal chemical formula.

  • Chemical formula of Chrome Pyrope- Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Chrome Pyrope and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome Pyrope and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Pyrope and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Chrome Pyrope is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.