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Black Opal
Black Opal

Dendrite crystal
Dendrite crystal



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Black Opal
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Dendrite crystal

Black Opal and Dendrite crystal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.97-2.221
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Not Available

Black Opal and Dendrite crystal Chemical Formula

While comparing Black Opal and Dendrite crystal 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 Dendrite crystal chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Black Opal and Dendrite crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Dendrite crystal Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 1 whereas that of Dendrite crystal is 1.