Black Opal and Marble Physical Properties

Black Opal and Marble Chemical Formula

While comparing Black Opal and Marble 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 Marble chemical formula.

• Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Black Opal and Marble Specific Gravity

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