Galena and Vishnevite Physical Properties

Galena

Vishnevite

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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

6.23Not Available

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Brittle, Uneven

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

2.5-2.755-6

2 10

1.8 Chemical Composition

PbS

Not Available

Galena and Vishnevite Chemical Formula

While comparing Galena and Vishnevite 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 Vishnevite chemical formula.

Chemical formula of Galena- PbS

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Galena and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Galena is Not Available whereas that of Vishnevite is Not Available.