Poldervaartite and Wavellite Physical Properties

Poldervaartite

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

2.912.36

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Wavellite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Wavellite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
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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Poldervaartite and Wavellite Specific Gravity

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