Nosean and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.30-2.40
3.2-3.4
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
{110} Perfect
[100] [001] perfect
Mohs Hardness
Not Available
4-4.5
Chemical Composition
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Nosean and Purpurite Chemical Formula
While comparing Nosean 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 Nosean and Purpurite chemical formula.
- Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Nosean and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Nosean and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.