Rhodolite and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.84
3.2-3.4
Fracture
Conchoidal
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
none, may show indistinct parting
[100] [001] perfect
Mohs Hardness
7-7.5
4-4.5
Chemical Composition
(Mg,Fe)3Al2Si3O12
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Rhodolite and Purpurite Chemical Formula
While comparing Rhodolite 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 Rhodolite and Purpurite chemical formula.
- Chemical formula of Rhodolite- (Mg,Fe)3Al2Si3O12
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Rhodolite and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rhodolite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.