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Flint and Opal Physical Properties


Opal and Flint Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
1.98-2.25   

Fracture
Uneven   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
Not Available   
None   

Mohs Hardness
Not Available   
5-6.5   

Chemical Composition
Not Available   
SiO2 · nH2O   

Optical Properties >>
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Flint and Opal Chemical Formula

While comparing Flint and 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 Flint and Opal chemical formula.

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Flint and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Flint and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Flint and Opal Optical Properties during the identification of gemstone. Specific gravity of Flint is 1.98-2.25 whereas that of Opal is 1.98-2.25.

Green Gemstones

Green Gemstones


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