Prase Opal and Marialite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
2.50
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
Not Available
  
Distinct on {100} and {110}
  
Mohs Hardness
5-6.5
  
5.5-6
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
  
Prase Opal and Marialite Chemical Formula
While comparing Prase Opal and Marialite 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 Prase Opal and Marialite chemical formula.
- Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Prase Opal and Marialite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prase Opal and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Marialite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 2.50 whereas that of Marialite is 2.50.