Demantoid and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.77-3.95
3.2-3.4
Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
[100] [001] perfect
Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Demantoid and Purpurite Chemical Formula
While comparing Demantoid 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 Demantoid and Purpurite chemical formula.
- Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Demantoid and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Demantoid and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.