Hercynite and Hiddenite Physical Properties

Hercynite

Hiddenite

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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

4.393.15-3.21

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

1,2 prismatic

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Hercynite and Hiddenite Chemical Formula

While comparing Hercynite and Hiddenite 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 Hiddenite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Hiddenite- LiAlSi₂O₆

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Hercynite and Hiddenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Hiddenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Hiddenite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.15-3.21 whereas that of Hiddenite is 3.15-3.21.