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Lawsonite and Black Opal Physical Properties


Black Opal and Lawsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.09   
1.97-2.22   

Fracture
White, Yellow, Pale blue, Brittle, Uneven   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {100} and {010}, imperfect on {101}   
Not Available   

Mohs Hardness
8   
6-6.5   

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

Optical Properties >>
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Lawsonite and Black Opal Chemical Formula

While comparing Lawsonite 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 Lawsonite and Black Opal chemical formula.

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Lawsonite and Black Opal Specific Gravity

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

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