Andradite Garnet and Andalusite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.8-3.9
3.05-3.21
Fracture
Not Available
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
None
Good on {110}, poor on {100}
Mohs Hardness
6.5-7.5
7.5
Chemical Composition
Ca3Fe3+2Si3O12
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Andradite Garnet and Andalusite Chemical Formula
While comparing Andradite Garnet 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 Andradite Garnet and Andalusite chemical formula.
- Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Andradite Garnet and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.