Hercynite and Kainite Physical Properties

Hercynite

Kainite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.392.15

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Splintery, Conchoidal, Brittle

1.6 Cleavage

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

{001}, perfect

1.7 Mohs Hardness

7.5-82.5-3

2 10

1.8 Chemical Composition

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

Not Available

Hercynite and Kainite Chemical Formula

While comparing Hercynite and Kainite 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 Hercynite and Kainite chemical formula.

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

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Hercynite and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.15 whereas that of Kainite is 2.15.