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Chrysocolla
Chrysocolla

Ettringite
Ettringite



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Chrysocolla
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Ettringite

Chrysocolla and Ettringite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
Partially soluble in water

Durability

-
-

Specific Gravity

2.00-2.451.77
1 7.18
👆🏻

Fracture

Sub-Conchoidal, Conchoidal
-

Cleavage

none
Perfect on {10 1 0}

Mohs Hardness

2-42-2.5
2 10
👆🏻

Chemical Composition

Cu2H2Si2O5(OH)4
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Chrysocolla and Ettringite Chemical Formula

While comparing Chrysocolla 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 Chrysocolla and Ettringite chemical formula.

  • Chemical formula of Chrysocolla- Cu2H2Si2O5(OH)4
  • Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Chrysocolla and Ettringite Specific Gravity

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