Home
Gemstones


Emerald and Staurolite Physical Properties


Staurolite 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   
3.7-3.8   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Imperfect on the [0001]   
Distinct on {010}   

Mohs Hardness
7.5-8   
7-7.5   

Chemical Composition
Be3Al2SiO6   
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Emerald and Staurolite Chemical Formula

While comparing Emerald and Staurolite 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 Staurolite chemical formula.

Compare Birthstones

Emerald and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones