Falcons Eye and Andalusite Physical Properties

Falcons Eye

Andalusite

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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

2.58-2.643.05-3.21

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Good on {110}, poor on {100}

1.7 Mohs Hardness

77.5

2 10

1.8 Chemical Composition

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

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Falcons Eye and Andalusite Chemical Formula

While comparing Falcons Eye and Andalusite 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 Andalusite chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Falcons Eye and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.