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Common Opal
Common Opal

Amber
Amber



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Common Opal
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Amber

Common Opal and Amber Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.501.05-1.10
Achroite
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
5.5-6.52-2.5
Adamite
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
[C,H,O]

Common Opal and Amber Chemical Formula

While comparing Common Opal and Amber 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 Common Opal and Amber chemical formula.

  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Amber- [C,H,O]

Common Opal and Amber Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal and Amber Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Amber Optical Properties during the identification of gemstone. Specific gravity of Common Opal is 1.05-1.10 whereas that of Amber is 1.05-1.10.