Periclase and Star Ruby Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.7-3.9
3.95-4.10
Fracture
Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}
Not Available
Mohs Hardness
5.5-6
Not Available
Chemical Composition
MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Periclase and Star Ruby Chemical Formula
While comparing Periclase and Star Ruby 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 Periclase and Star Ruby chemical formula.
- Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Periclase and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Periclase and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Periclase is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.