Vivianite and Wavellite Physical Properties

Vivianite

Wavellite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.702.36

1 7.18

1.5 Fracture

(e.g. graphite).

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

{010} Perfect

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

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

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

Vivianite and Wavellite Chemical Formula

While comparing Vivianite and Wavellite 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 Vivianite and Wavellite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Vivianite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is 2.36 whereas that of Wavellite is 2.36.