Charlesite and Almandine Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.79
3.95-4.30
Fracture
Irregular/uneven, Brittle, Metallic
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect on {10bar10}
none
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Charlesite and Almandine Chemical Formula
While comparing Charlesite 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 Charlesite and Almandine chemical formula.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Charlesite and Almandine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charlesite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.