Wavellite and Boulder Opal Physical Properties

Wavellite

Boulder 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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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 + H 2OUlrich Henn and Claudio C.

Wavellite and Boulder Opal Chemical Formula

While comparing Wavellite and Boulder 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 Boulder 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 Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Wavellite and Boulder Opal Specific Gravity

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