Sapphire and Gedrite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.95-4.03
3.15-3.259
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
Cleavage
None, but may exhibit parting
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Chemical Composition
Al 2 O 3
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Sapphire and Gedrite Chemical Formula
While comparing Sapphire and Gedrite 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 Gedrite chemical formula.
- Chemical formula of Sapphire- Al 2 O 3
- Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Sapphire and Gedrite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sapphire and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.
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