×

Helenite
Helenite

Andalusite
Andalusite



ADD
Compare
X
Helenite
X
Andalusite

Helenite and Andalusite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
-
-
-
3.05-3.21
Uneven, Subconchoidal, Splintery
Good on {110}, poor on {100}
7.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Helenite and Andalusite Chemical Formula

While comparing Helenite 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 Helenite and Andalusite chemical formula.

    >>

Helenite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Helenite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Helenite Vs Andalusite during the identification of gemstone. Specific gravity of Helenite is whereas that of Andalusite is .