Plumbogummite and Goethite Physical Properties

Plumbogummite and Goethite Chemical Formula

While comparing Plumbogummite and Goethite 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 Plumbogummite and Goethite chemical formula.

• Chemical formula of Plumbogummite- PbAl3(PO4)(SO4)(OH)6
• Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)

Plumbogummite and Goethite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Plumbogummite and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Goethite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.