×

Blue John
Blue John

Chrome Tourmaline
Chrome Tourmaline



ADD
Compare
X
Blue John
X
Chrome Tourmaline

Blue John and Chrome Tourmaline Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.00-3.252.85-3.35
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
3,2
1.7 Mohs Hardness
Not Available7-7.5
Amber
2 10
1.8 Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Tourmaline is a series of several different minerals with unique chemical formulas.

Blue John and Chrome Tourmaline Chemical Formula

While comparing Blue John and Chrome Tourmaline 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 Chrome Tourmaline chemical formula.

  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.

Blue John and Chrome Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Blue John is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.