Scolecite and White Opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.20-2.23
  
1.98-2.50
  
Fracture
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Perfect on {110} and {1 1 0}
  
Not Available
  
Mohs Hardness
5-5.5
  
5.5-6.5
  
Chemical Composition
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Scolecite and White Opal Chemical Formula
While comparing Scolecite and White 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 Scolecite and White Opal chemical formula.
- Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Scolecite and White Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scolecite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.