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Super Seven Crystals
Super Seven Crystals

Ettringite
Ettringite



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Super Seven Crystals
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Ettringite

Super Seven Crystals 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
2.9
1.77
1.5 Fracture
Fibrous
Not Available
1.6 Cleavage
[010] Perfect, [100] Distinct, [011] Distinct
Perfect on {10 1 0}
1.7 Mohs Hardness
2
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)

Super Seven Crystals and Ettringite Chemical Formula

While comparing Super Seven Crystals 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 Super Seven Crystals 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)

Super Seven Crystals and Ettringite Specific Gravity

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