Hardystonite and Nosean Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.396-3.443
  
2.30-2.40
  
Fracture
Brittle, Metallic
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
[001] good, [100] and [110] fair
  
{110} Perfect
  
Mohs Hardness
3-4
  
Not Available
  
Chemical Composition
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
  
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Hardystonite and Nosean Chemical Formula
While comparing Hardystonite 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 Hardystonite and Nosean chemical formula.
- Chemical formula of Hardystonite- Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Hardystonite and Nosean Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hardystonite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hardystonite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Hardystonite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.