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Hawks Eye
Hawks Eye

Petalite
Petalite



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Hawks Eye
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Petalite

Hawks Eye and Petalite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available2.40
Amber
1 7.18
1.5 Fracture
Not Available
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
1.6 Cleavage
Not Available
Perfect on {001}, poor on {201} with 38.5° angle between the two
1.7 Mohs Hardness
76-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hawks Eye and Petalite Chemical Formula

While comparing Hawks Eye and Petalite 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 Hawks Eye and Petalite chemical formula.

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  • Chemical formula of Petalite- LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hawks Eye and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hawks Eye and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hawks Eye and Petalite Optical Properties during the identification of gemstone. Specific gravity of Hawks Eye is 2.40 whereas that of Petalite is 2.40.