Cancrinite and Black Opal Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.42-2.52
1.97-2.22
Fracture
Irregular/uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on {10 1 0}, poor on {0001}
Not Available
Chemical Composition
Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
SiO 2 + H 2OUlrich Henn and Claudio C.
Cancrinite and Black Opal Chemical Formula
While comparing Cancrinite 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 Cancrinite and Black Opal chemical formula.
- Chemical formula of Cancrinite- Na 2Ca 2Al 6Si 6O 24(CO 3) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Cancrinite and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cancrinite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cancrinite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Cancrinite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.