Home
Gemstones


Elbaite and Andalusite Physical Properties


Andalusite and Elbaite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
3.05-3.21   

Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Poor/indistinct on {1120} and {1011}   
Good on {110}, poor on {100}   

Mohs Hardness
7   
7.5   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references   
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
<< Astrology

Elbaite and Andalusite Chemical Formula

While comparing Elbaite 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 Elbaite and Andalusite chemical formula.

Compare Blue Gemstones

Elbaite and Andalusite Specific Gravity

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

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones