Hercynite and Fluorite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
slightly water soluble and in hot hydrochloric acid
Durability
Not Available
Not Available
Specific Gravity
4.39
3.00-3.25
Fracture
ConchoidalGemdat.org, Uneven
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct
Octahedral, perfect on {111}, parting on {011}
Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
CaF2
Hercynite and Fluorite Chemical Formula
While comparing Hercynite and Fluorite 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 Fluorite chemical formula.
- Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Fluorite- CaF2
Hercynite and Fluorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hercynite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.