Wavellite and Jacobsite Physical Properties

Wavellite

Jacobsite

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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

2.364.76-5.03

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Conchoidal, Brittle

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-45.5-6.5

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

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Wavellite and Jacobsite Chemical Formula

While comparing Wavellite and Jacobsite 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 Jacobsite 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 Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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Wavellite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.