Turquoise and Natrolite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.90
  
2.20-2.26
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Uneven, Brittle, Metallic, Gemstones (2009)
  
Cleavage
Good to perfect_usually N/A
  
Perfect on {110}
  
Mohs Hardness
5-6
  
5-5.5
  
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
  
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Turquoise and Natrolite Chemical Formula
While comparing Turquoise and Natrolite 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 Turquoise and Natrolite chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Turquoise and Natrolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Natrolite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 2.20-2.26 whereas that of Natrolite is 2.20-2.26.