Yellow wavellite

from county Kerry, Ireland

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Fig. 1: Clusters of crystals of yellow wavellite on medium grey shale matrix, from Doon East, Ballybunnion, county Kerry, Munster, Ireland. 3.8x2.8x1.7 cm, 12.71 grams. Sample 374 from the collection of Irish minerals of Robert Yeoman, via David and Daniel Joyce (D. Joyce Minerals), 2026.

"Rock of the Month # 297, posted for April 2026" ---

Wavellite

is an aluminium phosphate, ideal formula Al3[(OH)3(PO4)2].5H2O. It has orthorhombic symmetry and often displays an acicular habit in radiating spheroidal aggregates.

REFERENCES

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IN PREP.

DRAFT version, Graham Wilson, 25 April 2026

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Rock of the Month Thematic Index

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