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Ettringite
Ettringite

Shattuckite
Shattuckite



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Ettringite
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Shattuckite

Ettringite and Shattuckite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Partially soluble in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.773.80-4.15
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {10 1 0}
perfect along [010] and [100]
1.7 Mohs Hardness
2-2.53.5-4
Amber
2 10
1.8 Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ettringite and Shattuckite Chemical Formula

While comparing Ettringite and Shattuckite 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 Ettringite and Shattuckite chemical formula.

  • Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Ettringite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.