Coral and Andalusite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.60-2.70
3.05-3.21
Fracture
Irregular, Irregular, Gemstones of the world (2001)
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Good on {110}, poor on {100}
Chemical Composition
CaCO 3Ulrich Henn and Claudio C.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Coral and Andalusite Chemical Formula
While comparing Coral and Andalusite 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 Coral and Andalusite chemical formula.
- Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Coral and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Coral and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Coral is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.
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