Pyrope Spessartine and Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.62-4.33
  
2.6-2.7
  
Fracture
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
  
Not Available
  
Cleavage
Not Available
  
3,1
  
Mohs Hardness
7-7.5
  
7-7.5
  
Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Mg2Al4Si5O18
  
Pyrope Spessartine and Iolite Chemical Formula
While comparing Pyrope Spessartine and Iolite 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 Pyrope Spessartine and Iolite chemical formula.
- Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Iolite- Mg2Al4Si5O18
Pyrope Spessartine and Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyrope Spessartine and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope Spessartine and Iolite Optical Properties during the identification of gemstone. Specific gravity of Pyrope Spessartine is 2.6-2.7 whereas that of Iolite is 2.6-2.7.