Hydrogrossular and Black Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-3.40
  
1.97-2.22
  
Fracture
Not Available
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
7.5-8
  
6-6.5
  
Chemical Composition
hydrogrossular Massive vein s of opaque Grossular Garnet that resembles Jade . It is white to light green in color, and may be colored in a white, green, and pink combination. Hydrogrossular is often regarded as a variety of Grossular, but it is scientifi
  
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Hydrogrossular and Black Opal Chemical Formula
While comparing Hydrogrossular and Black Opal 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 Hydrogrossular and Black Opal chemical formula.
- Chemical formula of Hydrogrossular- hydrogrossular Massive vein s of opaque Grossular Garnet that resembles Jade . It is white to light green in color, and may be colored in a white, green, and pink combination. Hydrogrossular is often regarded as a variety of Grossular, but it is scientifi
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Hydrogrossular and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hydrogrossular and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hydrogrossular and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Hydrogrossular is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.