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Hercynite
Hercynite

Carnelian
Carnelian



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Hercynite
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Carnelian

Hercynite and Carnelian Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.392.58-2.64
Amber
1 7.18
1.5 Fracture
ConchoidalGemdat.org, Uneven
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Absent
1.7 Mohs Hardness
7.5-86.5-7
Amber
2 10
1.8 Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
SiO2

Hercynite and Carnelian Chemical Formula

While comparing Hercynite and Carnelian 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 Carnelian chemical formula.

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

Hercynite and Carnelian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Carnelian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Carnelian Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.58-2.64 whereas that of Carnelian is 2.58-2.64.