Blue John and Clinozoisite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
3.21-3.38
Fracture
Not Available
Irregular/uneven, Uneven
Cleavage
Not Available
Perfect on {001}
Mohs Hardness
Not Available
6-7
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Blue John and Clinozoisite Chemical Formula
While comparing Blue John and Clinozoisite 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 Blue John and Clinozoisite chemical formula.
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Blue John and Clinozoisite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Blue John and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Blue John is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.