×

Biotite
Biotite

Brucite
Brucite



ADD
Compare
X
Biotite
X
Brucite

Biotite and Brucite Physical Properties

Add ⊕
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.7-3.3
Uneven, Even
Perfect on the {001}
2.5-3.0
K(Mg,Fe++)3[AlSi3O10(OH,F)2
 
Sectile
-
-
2.39
Irregular
Perfect on {0001}
2.5
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Biotite and Brucite Chemical Formula

While comparing Biotite and Brucite 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 Biotite and Brucite chemical formula.

    >>

Biotite and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite Vs Brucite during the identification of gemstone. Specific gravity of Biotite is whereas that of Brucite is .