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SummaryOrangeite occurring as a complex series of dikes at Swartruggens (South Africa), is host to a diversity of accessory minerals, the most common of which are apatite, barite and calcite. Less common, but important phases are perovskite, wadeite, an unidentified CaTiFe-silicate, strontianite, unidentified Ca-REE phosphate, zircon, rutile, titaniferous magnetite, quartz and diverse sulphides. The...