Friedelite and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
3.06-3.19
1.77
Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
Not Available
Cleavage
{010} Perfect
Perfect on {10 1 0}
Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Friedelite and Ettringite Chemical Formula
While comparing Friedelite 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 Friedelite and Ettringite chemical formula.
- Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Friedelite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Friedelite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 1.77 whereas that of Ettringite is 1.77.