Home
Gemstones


Hercynite and Ettringite Physical Properties


Ettringite and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
1.77   

Fracture
ConchoidalGemdat.org, Uneven   
Not Available   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Perfect on {10 1 0}   

Mohs Hardness
7.5-8   
2-2.5   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
<< Astrology

Hercynite and Ettringite Chemical Formula

While comparing Hercynite and Ettringite 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 Ettringite chemical formula.

Compare Yellow Gemstones

Hercynite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 1.77 whereas that of Ettringite is 1.77.

Yellow Gemstones

Yellow Gemstones


Compare Yellow Gemstones