Home
Gemstones


Petalite and Powellite Physical Properties


Powellite and Petalite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.40   
4.23   

Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal   
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two   
{111} Distinct   

Mohs Hardness
6-6.5   
3.5-4   

Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
<< Astrology

Petalite and Powellite Chemical Formula

While comparing Petalite and Powellite 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 Petalite and Powellite chemical formula.

Compare Gems Found In Australia

Petalite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petalite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petalite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Petalite is 4.23 whereas that of Powellite is 4.23.

Gems Found In Australia

Gems Found In Australia


Compare Gems Found In Australia