Galena and Fuchsite Physical Properties

Galena

Fuchsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.232.77-2.88

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Uneven

1.6 Cleavage

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

Perfect basal

1.7 Mohs Hardness

2.5-2.752.5

2 10

1.8 Chemical Composition

PbS

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Galena and Fuchsite Chemical Formula

While comparing Galena and Fuchsite 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 Galena and Fuchsite chemical formula.

Chemical formula of Galena- PbS
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Galena and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Galena is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.