Sapphire and Epidote Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.95-4.03
3.25-3.50
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous
Cleavage
None, but may exhibit parting
{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
Sapphire and Epidote Chemical Formula
While comparing Sapphire 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 Sapphire and Epidote chemical formula.
- Chemical formula of Sapphire- 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
Sapphire and Epidote Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Epidote Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.25-3.50 whereas that of Epidote is 3.25-3.50.
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