Home
Gemstones


Poldervaartite and Andalusite Physical Properties


Andalusite and Poldervaartite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.91   
3.05-3.21   

Fracture
Handbook of mineralogy (2001)   
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
None   
Good on {110}, poor on {100}   

Mohs Hardness
Not Available   
7.5   

Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
<< Astrology

Poldervaartite and Andalusite Chemical Formula

While comparing Poldervaartite and Andalusite 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 Poldervaartite and Andalusite chemical formula.

Compare Gems Found In Africa

Poldervaartite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poldervaartite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.

Gems Found In Africa

Gems Found In Africa


Compare Gems Found In Africa