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Petalite
Petalite

Yttrium Aluminium Garnet
Yttrium Aluminium Garnet



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Petalite and Yttrium Aluminium Garnet Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.40
4.55
1.5 Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Not Available
1.6 Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Not Available
1.7 Mohs Hardness
6-6.5
8-8.5
1.8 Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Y 3Al 5O 12Ulrich Henn and Claudio C.

Petalite and Yttrium Aluminium Garnet Chemical Formula

While comparing Petalite and Yttrium Aluminium 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 Yttrium Aluminium Garnet chemical formula.

  • Chemical formula of Petalite- LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Yttrium Aluminium Garnet- Y 3Al 5O 12Ulrich Henn and Claudio C.

Petalite and Yttrium Aluminium Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petalite and Yttrium Aluminium Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petalite and Yttrium Aluminium Garnet Optical Properties during the identification of gemstone. Specific gravity of Petalite is 4.55 whereas that of Yttrium Aluminium Garnet is 4.55.