Amazonite and Almandine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.57
3.95-4.30
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
none
Mohs Hardness
6-6.5
7-7.5
Chemical Composition
KAlSi3O8
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Amazonite and Almandine Chemical Formula
While comparing Amazonite and Almandine 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 Amazonite and Almandine chemical formula.
- Chemical formula of Amazonite- KAlSi3O8
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Amazonite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amazonite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.