Imperial Topaz and Galena Physical Properties

Imperial Topaz

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

3.49-3.576.23

1 7.18

1.5 Fracture

Uneven

Subconchoidal, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

82.5-2.75

2 10

1.8 Chemical Composition

Not Available

PbS

Imperial Topaz and Galena Chemical Formula

While comparing Imperial Topaz 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 Imperial Topaz and Galena chemical formula.

Chemical formula of Galena- PbS

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Imperial Topaz and Galena Specific Gravity

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