Ekanite and Alunite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.28-3.32
2.6-2.9
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, Uneven
Cleavage
{101} Distinct
On {0001}, perfect
Mohs Hardness
6-6.5
3.5-4
Chemical Composition
ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
KAl3(SO4)2(OH)6
Ekanite and Alunite Chemical Formula
While comparing Ekanite and Alunite 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 Ekanite and Alunite chemical formula.
- Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Alunite- KAl3(SO4)2(OH)6
Ekanite and Alunite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ekanite and Alunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ekanite and Alunite Optical Properties during the identification of gemstone. Specific gravity of Ekanite is 2.6-2.9 whereas that of Alunite is 2.6-2.9.