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Ettringite
Ettringite

Narsarsukite
Narsarsukite



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Ettringite
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Narsarsukite

Ettringite and Narsarsukite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Partially soluble in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.772.72-2.83
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
Perfect on {10 1 0}
Good on {100} and {110}
1.7 Mohs Hardness
2-2.56-7
Amber
2 10
1.8 Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Ettringite and Narsarsukite Chemical Formula

While comparing Ettringite and Narsarsukite 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 Narsarsukite 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 Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Ettringite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.