Falcons Eye and Galena Physical Properties

Falcons Eye

Galena

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.646.23

1 7.18

1.5 Fracture

Gemstones of the world (2001)

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

Cubic perfect on [001], parting on [111]

1.7 Mohs Hardness

72.5-2.75

2 10

1.8 Chemical Composition

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

PbS

Falcons Eye and Galena Chemical Formula

While comparing Falcons Eye and Galena 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 Galena chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter Schumann , Gemstones of the world (2001)
Chemical formula of Galena- PbS

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Falcons Eye and Galena Specific Gravity

Another important criteria for qualitative analysis of gemstones is Falcons Eye and Galena Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Falcons Eye and Galena Optical Properties during the identification of gemstone. Specific gravity of Falcons Eye is 6.23 whereas that of Galena is 6.23.