Hydrated phosphate with hydroxyl
Specific gravity: 2.36
Hardness: 3½ to 4
Colour: Green to yellowish-green and yellow, greenish white, yellowish-brown, brown, brownish-black, blue, white and colourless; colourless in transmitted light.
Solubility: Readily soluble in acids
Common impurities: F,Fe
Hydrothermal environments (rare)
Wavellite is a secondary mineral common in aluminous
low-grade metamorphic rocks, in phosphate rock deposits and rarely as
a late-formed hydrothermal mineral in veins. Associated minerals include limonite,
The type locality is the High Down Quarry, West Buckland, North Devon, Devon, England, UK.
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