Almandine and Sanidine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.95-4.30
2.54-2.61
Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
none
{001} Perfect, {010} Good
Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Almandine and Sanidine Chemical Formula
While comparing Almandine and Sanidine 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 Sanidine chemical formula.
- Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Almandine and Sanidine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Almandine and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Almandine is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.