Home
Gemstones


Cordierite Iolite and Londonite Physical Properties


Londonite and Cordierite Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.56-2.66   
3.34   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Not Available   
None   

Mohs Hardness
7-7.5   
Not Available   

Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
<< Astrology

Cordierite Iolite and Londonite Chemical Formula

While comparing Cordierite Iolite and Londonite 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 Cordierite Iolite and Londonite chemical formula.

Compare Blue Gemstones

Cordierite Iolite and Londonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Londonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.34 whereas that of Londonite is 3.34.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones