Petalite and Gadolinium Gallium Garnet Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.40
7.05
Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Not Available
Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Not Available
Chemical Composition
LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Not Available
Petalite and Gadolinium Gallium Garnet Chemical Formula
While comparing Petalite and Gadolinium Gallium Garnet 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 Petalite and Gadolinium Gallium Garnet chemical formula.
- Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Petalite and Gadolinium Gallium Garnet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Petalite and Gadolinium Gallium Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petalite and Gadolinium Gallium Garnet Optical Properties during the identification of gemstone. Specific gravity of Petalite is 7.05 whereas that of Gadolinium Gallium Garnet is 7.05.