Hercynite and Prasiolite Physical Properties

Hercynite

Prasiolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.392.65

1 7.18

1.5 Fracture

ConchoidalGemdat.org, Uneven

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

7.5-87

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Hercynite and Prasiolite Chemical Formula

While comparing Hercynite and Prasiolite 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 Prasiolite chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

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Hercynite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.65 whereas that of Prasiolite is 2.65.