Mottramite and Nosean Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.9
  
2.30-2.40
  
Fracture
Sub-Conchoidal, Brittle, Metallic
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
None observed
  
{110} Perfect
  
Mohs Hardness
3
  
Not Available
  
Chemical Composition
Not Available
  
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Mottramite and Nosean Chemical Formula
While comparing Mottramite and Nosean 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 Mottramite and Nosean chemical formula.
>- Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Mottramite and Nosean Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mottramite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.