Bloodstone Heliotrope and Purpurite Physical Properties

Bloodstone Heliotrope and Purpurite Chemical Formula

While comparing Bloodstone Heliotrope and Purpurite 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 Bloodstone Heliotrope and Purpurite chemical formula.

• Chemical formula of Bloodstone Heliotrope- SiO 2Arthur Thomas , Gemstones (2009)
• Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Bloodstone Heliotrope and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bloodstone Heliotrope and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bloodstone Heliotrope and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Bloodstone Heliotrope is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.