Garnet and Andalusite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.55-4.33
3.05-3.21
Fracture
Conchoidal, Uneven
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Indistinct
Good on {110}, poor on {100}
Mohs Hardness
6.5-7.5
7.5
Chemical Composition
Garnet is a series of several different minerals with unique chemical formulas.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Garnet and Andalusite Chemical Formula
While comparing 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 Garnet and Andalusite chemical formula.
- Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
- Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Garnet and Andalusite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Garnet and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Garnet and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Garnet is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.