Kainite and Wulfenite Physical Properties

Kainite

Wulfenite

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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

2.156.50-7.00

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Irregular, Brittle, Conchoidal

1.6 Cleavage

{001}, perfect

On {011}, distinct; on {001}, {013}, indistinct

1.7 Mohs Hardness

2.5-33

2 10

1.8 Chemical Composition

Not Available

PbMoO 4Walter Schumann , Gemstones of the world (2001)

Kainite and Wulfenite Chemical Formula

While comparing Kainite and Wulfenite 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 Wulfenite chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

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Kainite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kainite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kainite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Kainite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.