Crystal Quartz and Pyrophyllite Physical Properties

Crystal Quartz and Pyrophyllite Chemical Formula

While comparing Crystal Quartz 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 Crystal Quartz and Pyrophyllite chemical formula.

• Chemical formula of Crystal Quartz- SiO2
• Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Crystal Quartz and Pyrophyllite Specific Gravity

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