Zoisite and Almandine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.20-3.50
3.95-4.30
Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect {010} imperfect {100}
none
Chemical Composition
Ca2Al3(SiO4)3(OH)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Zoisite and Almandine Chemical Formula
While comparing Zoisite 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 Zoisite and Almandine chemical formula.
- Chemical formula of Zoisite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Zoisite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Zoisite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zoisite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Zoisite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.