Ulexite and Violane Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.65-1.99
  
3.22-3.40
  
Fracture
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
{010} Perfect, {110} Perfect
  
Not Available
  
Mohs Hardness
2-2.5
  
5-6
  
Chemical Composition
NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
  
Ulexite and Violane Chemical Formula
While comparing Ulexite and Violane 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 Ulexite and Violane chemical formula.
- Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)
Ulexite and Violane Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ulexite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ulexite and Violane Optical Properties during the identification of gemstone. Specific gravity of Ulexite is 3.22-3.40 whereas that of Violane is 3.22-3.40.