Holmquistite and Turquoise Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.95-3.13
  
2.30-2.90
  
Fracture
Not Available
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
{210} Perfect
  
Good to perfect_usually N/A
  
Mohs Hardness
5-6
  
5-6
  
Chemical Composition
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
  
CuAl6(PO4)4(OH)8 • 4H2O
  
Holmquistite and Turquoise Chemical Formula
While comparing Holmquistite and Turquoise 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 Holmquistite and Turquoise chemical formula.
- Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
Holmquistite and Turquoise Specific Gravity
Another important criteria for qualitative analysis of gemstones is Holmquistite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.