Wavellite and Precious Opal Physical Properties

Wavellite

Precious Opal

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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

2.361.98-2.25

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-45-6.5

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Wavellite and Precious Opal Chemical Formula

While comparing Wavellite and Precious Opal 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 Precious Opal 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 Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Wavellite and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.