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Common Opal
Common Opal

Baryte
Baryte



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Common Opal
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Baryte

Common Opal and Baryte Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.50
4.3-5
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Irregular/uneven
1.6 Cleavage
Not Available
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
1.7 Mohs Hardness
5.5-6.5
3-3.5
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Not Available

Common Opal and Baryte Chemical Formula

While comparing Common Opal and Baryte 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 Baryte chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Common Opal and Baryte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Baryte Optical Properties during the identification of gemstone. Specific gravity of Common Opal is 4.3-5 whereas that of Baryte is 4.3-5.