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Common Opal
Common Opal

Angelite
Angelite



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Common Opal
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Angelite

Common Opal and Angelite 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
1.98-2.50Not Available
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5.5-6.53.5
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Not Available

Common Opal and Angelite Chemical Formula

While comparing Common Opal and Angelite 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 Angelite chemical formula.

  • Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
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Common Opal and Angelite Specific Gravity

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