Wavellite and Gedrite Physical Properties

Wavellite

Gedrite

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Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

2.363.15-3.259

1 7.18

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Fracture

Uneven, Subconchoidal, Fibrous

Cleavage

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

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

3.5-45.5-6

2 10

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Chemical Composition

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

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Wavellite and Gedrite Chemical Formula

While comparing Wavellite and Gedrite 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 Gedrite 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 Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Wavellite and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.