Ettringite and Sanidine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Partially soluble in water
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.77
2.54-2.61
Fracture
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on {10 1 0}
{001} Perfect, {010} Good
Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ettringite and Sanidine Chemical Formula
While comparing Ettringite and Sanidine 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 Ettringite and Sanidine chemical formula.
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ettringite and Sanidine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ettringite and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.