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A colorless to greenish yellow or black mineral, Al3(PO4)2(OH)3·5H2O, having finely acicular, radiating crystals and sometimes mined for the extraction of phosphorous.
[After William Wavell (died 1829), British physician.]
(Minerals) a greyish-white, yellow, or brown mineral consisting of hydrated basic aluminium phosphate in radiating clusters of small orthorhombic crystals. Formula: Al3(PO4)2(OH)3.5H2O
[C19: named after William Wavell (died 1829), English physician]