Ruby and Epidote Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.97-4.05
3.25-3.50
Fracture
Conchoidal
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
Cleavage
No true cleavage
{001} perfect and {100} imperfect
Chemical Composition
Al 2 O 3
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby and Epidote Chemical Formula
While comparing Ruby and Epidote 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 Ruby and Epidote chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ruby and Epidote Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Epidote Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.25-3.50 whereas that of Epidote is 3.25-3.50.
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