Lazulite and Falcons Eye Physical Properties

Lazulite

Falcons Eye

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.172.58-2.64

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

Gemstones of the world (2001)

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Not Available

1.7 Mohs Hardness

5.57

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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

Lazulite and Falcons Eye Chemical Formula

While comparing Lazulite 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 Lazulite and Falcons Eye chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Lazulite and Falcons Eye Specific Gravity

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