Purpurite and Stibiotantalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.2-3.4
Not Available
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
[100] [001] perfect
{???} Perfect
Mohs Hardness
4-4.5
5.5-6
Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
SbTaO 4Ulrich Henn and Claudio C.
Purpurite and Stibiotantalite Chemical Formula
While comparing Purpurite and Stibiotantalite 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 Purpurite and Stibiotantalite chemical formula.
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Stibiotantalite- SbTaO 4Ulrich Henn and Claudio C.
Purpurite and Stibiotantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Purpurite and Stibiotantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Stibiotantalite Optical Properties during the identification of gemstone. Specific gravity of Purpurite is Not Available whereas that of Stibiotantalite is Not Available.