×

Magnetite
Magnetite

Blue John
Blue John



ADD
Compare
X
Magnetite
X
Blue John

Magnetite and Blue John Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

5.23.00-3.25
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

None
Perfect

Mohs Hardness

5.5-6.5-9999
2 10
👆🏻

Chemical Composition

Fe 3O 4Ulrich Henn and Claudio C.
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Magnetite and Blue John Chemical Formula

While comparing Magnetite and Blue John 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 Magnetite and Blue John chemical formula.

  • Chemical formula of Magnetite- Fe 3O 4Ulrich Henn and Claudio C.
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Magnetite and Blue John Specific Gravity

Another important criteria for qualitative analysis of gemstones is Magnetite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Magnetite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Magnetite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.