Kainite and Hercynite Physical Properties

Kainite

Hercynite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.154.39

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

ConchoidalGemdat.org, Uneven

1.6 Cleavage

{001}, perfect

{111} Indistinct, {111} Indistinct, {111} Indistinct

1.7 Mohs Hardness

2.5-37.5-8

2 10

1.8 Chemical Composition

Not Available

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Kainite and Hercynite Chemical Formula

While comparing Kainite and Hercynite 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 Hercynite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Kainite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kainite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kainite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Kainite is 4.39 whereas that of Hercynite is 4.39.