Kainite and Galena Physical Properties

Kainite

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

2.156.23

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Subconchoidal, Brittle, Metallic

1.6 Cleavage

{001}, perfect

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

1.7 Mohs Hardness

2.5-32.5-2.75

2 10

1.8 Chemical Composition

Not Available

PbS

Kainite and Galena Chemical Formula

While comparing Kainite 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 Kainite and Galena chemical formula.

Chemical formula of Galena- PbS

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Kainite and Galena Specific Gravity

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