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Wavellite
Wavellite

Pollucite
Pollucite



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Wavellite
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Pollucite

Wavellite and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

insoluble
Readily soluble in HF

Durability

-
-

Specific Gravity

2.362.86-2.94
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal, Fibrous
Conchoidal, Uneven

Cleavage

[110] perfect, [101] good, [010] distinct
None observed

Mohs Hardness

3.5-46.5-7
2 10
👆🏻

Chemical Composition

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Wavellite and Pollucite Chemical Formula

While comparing Wavellite and Pollucite 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 Pollucite chemical formula.

  • Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Wavellite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.