Home
Gemstones


Ruby and Pollucite Physical Properties


Pollucite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Readily soluble in HF   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.86-2.94   

Fracture
Conchoidal   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
No true cleavage   
None observed   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
<< Astrology

Ruby and Pollucite Chemical Formula

While comparing Ruby and Pollucite 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 Ruby and Pollucite chemical formula.

Compare Birthstones

Ruby and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones