Umbalite and Wavellite Physical Properties

Umbalite

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

3.62-4.332.36

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)

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

Umbalite and Wavellite Chemical Formula

While comparing Umbalite 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 Umbalite and Wavellite chemical formula.

Chemical formula of Umbalite- Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
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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Umbalite and Wavellite Specific Gravity

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