Falcons Eye and Beryllonite Physical Properties

Falcons Eye

Beryllonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.642.79-2.87

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Not Available

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Falcons Eye and Beryllonite Chemical Formula

While comparing Falcons Eye and Beryllonite 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 Falcons Eye and Beryllonite chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Falcons Eye and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.