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Langbeinite and Black Opal Physical Properties


Black Opal and Langbeinite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Slowly dissolves in water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
1.97-2.22   

Fracture
Conchoidal, Brittle   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
None   
Not Available   

Mohs Hardness
3.5-4   
6-6.5   

Chemical Composition
Not Available   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Langbeinite and Black Opal Chemical Formula

While comparing Langbeinite and Black 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 Langbeinite and Black Opal chemical formula.

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Langbeinite and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.

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Green Gemstones


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