Home
Gemstones


Pyrargyrite and Allanite Physical Properties


Allanite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
3.40-4.20   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
Not Available   

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
Not Available   

Mohs Hardness
2.5-3   
Not Available   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
<< Astrology

Pyrargyrite and Allanite Chemical Formula

While comparing Pyrargyrite and Allanite 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 Pyrargyrite and Allanite chemical formula.

Compare Black Gemstones

Pyrargyrite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.

Black Gemstones

Black Gemstones


Compare Black Gemstones