Chlorapatite and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
3.17-3.18
1.77
Fracture
Not Available
Not Available
Cleavage
Not Available
Perfect on {10 1 0}
Mohs Hardness
Not Available
2-2.5
Chemical Composition
Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chlorapatite and Ettringite Chemical Formula
While comparing Chlorapatite 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 Chlorapatite and Ettringite chemical formula.
- Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chlorapatite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chlorapatite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorapatite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Chlorapatite is 1.77 whereas that of Ettringite is 1.77.