Home
Gemstones


Proustite and Dumortierite Physical Properties


Dumortierite and Proustite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.51-5.64   
3.26-3.41   

Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
Distinct on {10 1 1}   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
2.5   
7-8.5   

Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
AlAl6O3BSi3O18   

Optical Properties >>
<< Astrology

Proustite and Dumortierite Chemical Formula

While comparing Proustite and Dumortierite 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 Proustite and Dumortierite chemical formula.

Compare Black Gemstones

Proustite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.

Black Gemstones

Black Gemstones


Compare Black Gemstones