Idocrase and Kornerupine Physical Properties

Idocrase and Kornerupine Chemical Formula

While comparing Idocrase and Kornerupine 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 Kornerupine chemical formula.

• Chemical formula of Idocrase- Ca10(Mg,Fe)2(Si2O7)2(SiO4)2O(OH)2
• Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Idocrase and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Idocrase and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Idocrase and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Idocrase is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.