Taaffeite and Gedrite Physical Properties
Specific Gravity
3.60-3.61
3.15-3.259
Cleavage
Imperfect/fair/absent
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
8-8.5
5.5-6
Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Taaffeite and Gedrite Chemical Formula
While comparing Taaffeite 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 Taaffeite and Gedrite chemical formula.
- Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Taaffeite and Gedrite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Taaffeite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Taaffeite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Taaffeite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.