Ettringite and Clinohumite Physical Properties

Ettringite

Clinohumite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Partially soluble in water

1.77

Perfect on {10 1 0}

2-2.5

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

3.13-3.75

Subconchoidal, Uneven, Conchoidal

Poor on {100}

(Mg,Fe2+ ) 9(SiO 4) 4(F,OH)) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ettringite and Clinohumite Chemical Formula

While comparing Ettringite and Clinohumite 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 Clinohumite chemical formula.

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Ettringite and Clinohumite Specific Gravity

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