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Ammolite
Ammolite

Ettringite
Ettringite



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Ammolite
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Ettringite

Ammolite 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
2.75-2.80
1.77
1.5 Fracture
Uneven, Granular
Not Available
1.6 Cleavage
no true cleavage
Perfect on {10 1 0}
1.7 Mohs Hardness
4
2-2.5
1.8 Chemical Composition
Not Available
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Ammolite and Ettringite Chemical Formula

While comparing Ammolite 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 Ammolite and Ettringite chemical formula.

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

Ammolite and Ettringite Specific Gravity

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

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