Home
Gemstones


Austinite and Star Sapphire Physical Properties


Star Sapphire and Austinite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Easily soluble in cold dilute HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.12   
3.90-4.05   

Fracture
Brittle, Uneven, Brittle, Uneven   
Not Available   

Cleavage
Good in two directions parallel to the prism faces {110}   
Not Available   

Mohs Hardness
4-4.5   
Not Available   

Chemical Composition
CaZn(AsO4)(OH)   
Al 2O 3Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Austinite and Star Sapphire Chemical Formula

While comparing Austinite and Star 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 Austinite and Star Sapphire chemical formula.

Compare Green Gemstones

Austinite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.

Green Gemstones

Green Gemstones


Compare Green Gemstones