Sylvite and Galena Physical Properties

Sylvite

Galena

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9936.23

1 7.18

1.5 Fracture

Uneven, Brittle

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.52.5-2.75

2 10

1.8 Chemical Composition

Not Available

PbS

Sylvite and Galena Chemical Formula

While comparing Sylvite 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 Sylvite and Galena chemical formula.

Chemical formula of Galena- PbS

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Sylvite and Galena Specific Gravity

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