Witherite and Cassiterite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.27-4.35
  
6.86-7.03
  
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
  
Cleavage
{010} Distinct
  
{100} imperfect, {110} indistinct; partings on {111} or {011}
  
Mohs Hardness
3-3.5
  
6-7
  
Chemical Composition
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Witherite and Cassiterite Chemical Formula
While comparing Witherite and Cassiterite 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 Witherite and Cassiterite chemical formula.
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Witherite and Cassiterite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Witherite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Witherite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Witherite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.