Chrome Tourmaline and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.35
3.2-3.4
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
3,2
[100] [001] perfect
Mohs Hardness
7-7.5
4-4.5
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chrome Tourmaline and Purpurite Chemical Formula
While comparing Chrome Tourmaline 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 Chrome Tourmaline and Purpurite chemical formula.
- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Chrome Tourmaline and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.