Childrenite and Biotite Physical Properties

Childrenite and Biotite Chemical Formula

While comparing Childrenite and Biotite 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 Childrenite and Biotite chemical formula.

• Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
• Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

Childrenite and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Childrenite and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Biotite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.7-3.3 whereas that of Biotite is 2.7-3.3.