Grossular and Tanzanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
3.55-3.73
3.35
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Cleavage
none
Perfect {010}, imperfect {100}
Mohs Hardness
7-7.5
6.5-7
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Ca2Al3(SiO4)3(OH)
Grossular and Tanzanite Chemical Formula
While comparing Grossular and Tanzanite 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 Grossular and Tanzanite chemical formula.
- Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
Grossular and Tanzanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grossular and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Grossular is 3.35 whereas that of Tanzanite is 3.35.