Liddicoatite and Opal Physical Properties
Tenacity
Not Available
  
BrittleWalter Schumann
  
Solubility
Not Available
  
hot salt water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.02
  
1.98-2.25
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
  
Cleavage
{0001} Poor
  
None
  
Mohs Hardness
Not Available
  
5-6.5
  
Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
SiO2 · nH2O
  
Liddicoatite and Opal Chemical Formula
While comparing Liddicoatite and 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 Liddicoatite and Opal chemical formula.
- Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Opal- SiO2 · nH2O
Liddicoatite and Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Liddicoatite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Opal Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 1.98-2.25 whereas that of Opal is 1.98-2.25.