Natrolite and Nosean Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.20-2.26
  
2.30-2.40
  
Fracture
Uneven, Brittle, Metallic, Gemstones (2009)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Perfect on {110}
  
{110} Perfect
  
Mohs Hardness
5-5.5
  
Not Available
  
Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
  
Natrolite and Nosean Chemical Formula
While comparing Natrolite 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 Natrolite and Nosean chemical formula.
- Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Natrolite and Nosean Specific Gravity
Another important criteria for qualitative analysis of gemstones is Natrolite and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Nosean Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.30-2.40 whereas that of Nosean is 2.30-2.40.