Andalusite and Hiddenite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.05-3.21
3.15-3.21
Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Cleavage
Good on {110}, poor on {100}
1,2 prismatic
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
LiAlSi2O6
Andalusite and Hiddenite Chemical Formula
While comparing Andalusite and Hiddenite 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 Andalusite and Hiddenite chemical formula.
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
- Chemical formula of Hiddenite- LiAlSi2O6
Andalusite and Hiddenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andalusite and Hiddenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andalusite and Hiddenite Optical Properties during the identification of gemstone. Specific gravity of Andalusite is 3.15-3.21 whereas that of Hiddenite is 3.15-3.21.