Galena and Riebeckite Physical Properties

Galena

Riebeckite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.233.28-3.44

1 7.18

1.5 Fracture

Subconchoidal, Brittle, Metallic

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

2.5-2.755.0-6.0

2 10

1.8 Chemical Composition

PbS

Not Available

Galena and Riebeckite Chemical Formula

While comparing Galena and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Galena- PbS

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Galena and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Galena and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Galena and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Galena is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.