Idocrase and Pyrophyllite Physical Properties

Idocrase and Pyrophyllite Chemical Formula

While comparing Idocrase and Pyrophyllite 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 Idocrase and Pyrophyllite chemical formula.

• Chemical formula of Idocrase- Ca10(Mg,Fe)2(Si2O7)2(SiO4)2O(OH)2
• Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Idocrase and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Idocrase and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Idocrase and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Idocrase is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.