Falcons Eye and Afghanite Physical Properties

Falcons Eye

Afghanite

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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

2.58-2.642.55-2.65

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

Perfect {10 1 0}

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

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

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Falcons Eye and Afghanite Chemical Formula

While comparing Falcons Eye and Afghanite 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 Afghanite chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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Falcons Eye and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.