Hydrated phosphate containing hydroxyl, forms a series with bulachite (Webmin)
Specific gravity: 2.552
Colour: Pale yellow to colourless
At the type locality, Mount Kourou Diakouma, Saraya, Tambacounda region, Senegal, senegalite occurs in the oxidised zone of a magnetite iron ore deposit. Associated minerals include augelite, crandallite, turquoise, variscite and wavellite (R&M 94.5.460-461, Mindat, HOM, AM 62.593-600).
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