Gahnospinel and Pollucite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Readily soluble in HF
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.65-4.55
  
2.86-2.94
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
None, but may exhibit slight parting
  
None observed
  
Mohs Hardness
7.5-8
  
6.5-7
  
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
  
Gahnospinel and Pollucite Chemical Formula
While comparing Gahnospinel and Pollucite 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 Gahnospinel and Pollucite chemical formula.
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Gahnospinel and Pollucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnospinel and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.