Jade and Pyrope Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
insoluble in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.38
  
3.62-3.87
  
Fracture
Gemstones of the world (2001), Difficult, Splintery
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
1 or 2,2 prismatic.
  
None
  
Mohs Hardness
6-7
  
7-7.5
  
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Jade and Pyrope Chemical Formula
While comparing Jade and Pyrope 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 Jade and Pyrope chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Jade and Pyrope Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Pyrope Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Pyrope Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.62-3.87 whereas that of Pyrope is 3.62-3.87.