Home
Gemstones


Erythrite and Sard Physical Properties


Sard and Erythrite Physical Properties


Physical Properties

Tenacity
Sectile   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.06   
2.58-2.63   

Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {010}; poor on {100} and { 1 02}.   
Not Available   

Mohs Hardness
Not Available   
6.5-7   

Chemical Composition
Co3(AsO4)2•8(H2O)   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Erythrite and Sard Chemical Formula

While comparing Erythrite and Sard 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 Erythrite and Sard chemical formula.

Compare Red Gemstones

Erythrite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Sard Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.58-2.63 whereas that of Sard is 2.58-2.63.

Red Gemstones

Red Gemstones


Compare Red Gemstones