Almandine and Dioptase Physical Properties

Almandine and Dioptase Chemical Formula

While comparing Almandine and Dioptase 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 Dioptase chemical formula.

• Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
• Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Almandine and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.