×

Biotite
Biotite

Anorthite
Anorthite



ADD
Compare
X
Biotite
X
Anorthite

Biotite and Anorthite 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
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Biotite and Anorthite Chemical Formula

While comparing Biotite and Anorthite 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 Anorthite chemical formula.

    >>

Biotite and Anorthite Specific Gravity

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