Almandine and Tanzanite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Hard
Specific Gravity
3.95-4.30
3.35
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
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
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Ca2Al3(SiO4)3(OH)
Almandine and Tanzanite Chemical Formula
While comparing Almandine 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 Almandine and Tanzanite chemical formula.
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
Almandine and Tanzanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Almandine and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.35 whereas that of Tanzanite is 3.35.