Home
Gemstones


Schorl and Sapphire Physical Properties


Sapphire and Schorl Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.18-3.22   
3.95-4.03   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
{1011} Indistinct   
None, but may exhibit parting   

Mohs Hardness
Not Available   
9   

Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
Al 2 O 3   

Optical Properties >>
<< Astrology

Schorl and Sapphire Chemical Formula

While comparing Schorl and Sapphire 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 Schorl and Sapphire chemical formula.

Compare Black Gemstones

Schorl and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

Black Gemstones

Black Gemstones


Compare Black Gemstones