Hercynite and Paraiba Physical Properties

Hercynite

Paraiba

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.393.04-3.13

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

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

Not Available

Hercynite and Paraiba Chemical Formula

While comparing Hercynite and Paraiba 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 Paraiba chemical formula.

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

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Hercynite and Paraiba Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Paraiba Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Paraiba Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.04-3.13 whereas that of Paraiba is 3.04-3.13.