Hercynite and Jasper Physical Properties

Hercynite

Jasper

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1 Physical Properties

2.2 Tenacity

Not Available

2.3 Solubility

Not Available

2.6 Durability

Not Available

2.7 Specific Gravity

4.392.58-2.91

1 7.18

2.9 Fracture

ConchoidalGemdat.org, Uneven

Conchoidal, Conchoidal, Gemstones of the world (2001)

2.11 Cleavage

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

Indiscernible

2.14 Mohs Hardness

7.5-86.5-7

2 10

2.16 Chemical Composition

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

SiO₂

Hercynite and Jasper Chemical Formula

While comparing Hercynite and Jasper 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 Jasper chemical formula.

Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Jasper- SiO₂

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Hercynite and Jasper Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Jasper Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Jasper Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.58-2.91 whereas that of Jasper is 2.58-2.91.