Paraiba and Hercynite Physical Properties

Paraiba

Hercynite

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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

3.04-3.134.39

1 7.18

1.5 Fracture

Not Available

ConchoidalGemdat.org, Uneven

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Paraiba and Hercynite Chemical Formula

While comparing Paraiba 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 Paraiba and Hercynite chemical formula.

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

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Paraiba and Hercynite Specific Gravity

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