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Geodes
Geodes

Ettringite
Ettringite



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Geodes
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Ettringite

Geodes and Ettringite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
Partially soluble in water

Durability

-
-

Specific Gravity

-99991.77
1 7.18
👆🏻

Fracture

-
-

Cleavage

None
Perfect on {10 1 0}

Mohs Hardness

-99992-2.5
2 10
👆🏻

Chemical Composition

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

Geodes and Ettringite Chemical Formula

While comparing Geodes 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 Geodes and Ettringite chemical formula.

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

Geodes and Ettringite Specific Gravity

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