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Black Opal and Ammonite Physical Properties


Ammonite and Black Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.97-2.22   
Not Available   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Not Available   
Not Available   

Mohs Hardness
6-6.5   
3.5-5   

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

Optical Properties >>
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Black Opal and Ammonite Chemical Formula

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

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Black Opal and Ammonite Specific Gravity

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

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