Grandidierite and Falcons Eye Physical Properties

Grandidierite

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

2.85-3.002.58-2.64

1 7.18

1.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Gemstones of the world (2001)

1.6 Cleavage

Perfect

Not Available

1.7 Mohs Hardness

7.57

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

Grandidierite and Falcons Eye Chemical Formula

While comparing Grandidierite 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 Grandidierite and Falcons Eye chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)

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Grandidierite and Falcons Eye Specific Gravity

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