Wavellite and Ettringite Physical Properties

Wavellite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.361.77

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Not Available

1.6 Cleavage

[110] perfect, [101] good, [010] distinct

Perfect on {10 1 0}

1.7 Mohs Hardness

3.5-42-2.5

2 10

1.8 Chemical Composition

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Wavellite and Ettringite Chemical Formula

While comparing Wavellite 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 Wavellite and Ettringite chemical formula.

Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Wavellite and Ettringite Specific Gravity

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