Pleonaste and Hercynite Physical Properties

Pleonaste

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

3.804.39

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

87.5-8

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Hercynite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Hercynite chemical formula.

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

Compare Blue Gemstones

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Pleonaste Vs Rubellite

Pleonaste Vs Pyrophyllite

Pleonaste and Hercynite Specific Gravity

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