Gedrite and Amethyst Physical Properties
Solubility
-
insoluble in common solvents
Specific Gravity
3.15-3.259
2.65
Fracture
-
Conchoidal, ConchoidalWalter Schumann
Cleavage
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Indiscernible
Chemical Composition
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
SiO2
Gedrite and Amethyst Chemical Formula
While comparing Gedrite and Amethyst 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 Gedrite and Amethyst chemical formula.
- Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Amethyst- SiO2
Gedrite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gedrite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gedrite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Gedrite is 2.65 whereas that of Amethyst is 2.65.