Beryllonite and Falcons Eye Physical Properties

Beryllonite

Falcons Eye

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.872.58-2.64

1 7.18

1.5 Fracture

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

Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.5-67

2 10

1.8 Chemical Composition

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

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

Beryllonite and Falcons Eye Chemical Formula

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

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

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Beryllonite and Falcons Eye Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Falcons Eye Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Falcons Eye Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.58-2.64 whereas that of Falcons Eye is 2.58-2.64.