Petalite and Vermeil Physical Properties

Petalite

Vermeil

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.40Not Available

1 7.18

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

6-6.5Not Available

2 10

1.8 Chemical Composition

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Petalite and Vermeil Chemical Formula

While comparing Petalite and Vermeil 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 Vermeil chemical formula.

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

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Petalite Vs Scolecite

Petalite Vs Scheelite

Petalite Vs Sapphire

Petalite and Vermeil Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petalite and Vermeil Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petalite and Vermeil Optical Properties during the identification of gemstone. Specific gravity of Petalite is Not Available whereas that of Vermeil is Not Available.