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Agrellite
Agrellite

Ettringite
Ettringite



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Agrellite
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Ettringite

Agrellite and Ettringite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Partially soluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.881.77
Amber
1 7.18
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
perfect [110]
Perfect on {10 1 0}
1.7 Mohs Hardness
5.52-2.5
Amber
2 10
1.8 Chemical Composition
NaCa2Si4O10F
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Agrellite and Ettringite Chemical Formula

While comparing Agrellite 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 Agrellite and Ettringite chemical formula.

  • Chemical formula of Agrellite- NaCa2Si4O10F
  • Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Agrellite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agrellite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agrellite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Agrellite is 1.77 whereas that of Ettringite is 1.77.