Home
Gemstones


Emerald and Biotite Physical Properties


Biotite and Emerald Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
2.67-2.78   
2.7-3.3   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Uneven, Even, Yellow, White   

Cleavage
Imperfect on the [0001]   
Perfect on the {001}   

Mohs Hardness
7.5-8   
2.5-3.0   

Chemical Composition
Be3Al2SiO6   
K(Mg,Fe++)3[AlSi3O10(OH,F)2   

Optical Properties >>
<< Astrology

Emerald and Biotite Chemical Formula

While comparing Emerald and Biotite 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 Emerald and Biotite chemical formula.

Compare Birthstones

Emerald and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Biotite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.7-3.3 whereas that of Biotite is 2.7-3.3.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones