Wavellite and Vivianite Physical Properties

Wavellite

Vivianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.36

2.64-2.70

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

(e.g. graphite).

1.6 Cleavage

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

{010} Perfect

1.7 Mohs Hardness

3.5-4

Not Available

1.8 Chemical Composition

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

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Wavellite and Vivianite Chemical Formula

While comparing Wavellite and Vivianite 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 Vivianite 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 Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Wavellite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.