Amazonite and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
2.55-2.57
1.77
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Not Available
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Perfect on {10 1 0}
Mohs Hardness
6-6.5
2-2.5
Chemical Composition
KAlSi3O8
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Amazonite and Ettringite Chemical Formula
While comparing Amazonite 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 Amazonite and Ettringite chemical formula.
- Chemical formula of Amazonite- KAlSi3O8
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Amazonite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amazonite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 1.77 whereas that of Ettringite is 1.77.