Gahnite and Pyrope Spessartine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.00-4.62
  
3.62-4.33
  
Fracture
Conchoidal, Uneven
  
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
Indistinct parting on [111]
  
Not Available
  
Mohs Hardness
7.5-8
  
7-7.5
  
Chemical Composition
ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Gahnite and Pyrope Spessartine Chemical Formula
While comparing Gahnite 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 Gahnite and Pyrope Spessartine chemical formula.
- Chemical formula of Gahnite- ZnAl 2O 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Gahnite and Pyrope Spessartine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnite and Pyrope Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and Pyrope Spessartine Optical Properties during the identification of gemstone. Specific gravity of Gahnite is 3.62-4.33 whereas that of Pyrope Spessartine is 3.62-4.33.