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Hercynite
Hercynite

Cavansite
Cavansite



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Hercynite
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Cavansite

Hercynite and Cavansite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.392.25-2.33
Amber
1 7.18
1.5 Fracture
ConchoidalGemdat.org, Uneven
Brittle, Metallic, Brittle, Metallic
1.6 Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Good on {010}
1.7 Mohs Hardness
7.5-83-4
Amber
2 10
1.8 Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
Ca(VO)Si4O10•4(H2O)

Hercynite and Cavansite Chemical Formula

While comparing Hercynite and Cavansite 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 Cavansite chemical formula.

  • Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

Hercynite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.