Home
Gemstones


Sapphire and Sellaite Physical Properties


Sellaite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
3.14-3.16   

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

Cleavage
None, but may exhibit parting   
Perfect on {010} and {110}   

Mohs Hardness
9   
5-5.5   

Chemical Composition
Al 2 O 3   
MgF 2Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Sapphire and Sellaite Chemical Formula

While comparing Sapphire and Sellaite 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 Sapphire and Sellaite chemical formula.

Compare Birthstones

Sapphire and Sellaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Sellaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Sellaite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.14-3.16 whereas that of Sellaite is 3.14-3.16.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones