Turquoise and Pyrope Spessartine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.90
  
3.62-4.33
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
Good to perfect_usually N/A
  
Not Available
  
Mohs Hardness
5-6
  
7-7.5
  
Chemical Composition
CuAl6(PO4)4(OH)8 • 4H2O
  
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Turquoise and Pyrope Spessartine Chemical Formula
While comparing Turquoise and Pyrope Spessartine 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 Pyrope Spessartine chemical formula.
- Chemical formula of Turquoise- CuAl6(PO4)4(OH)8 • 4H2O
- Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Turquoise and Pyrope Spessartine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Turquoise and Pyrope Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Pyrope Spessartine Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 3.62-4.33 whereas that of Pyrope Spessartine is 3.62-4.33.