Poldervaartite and bultfonteinite minerals found in South Africa. Poldervaartite can be found in a light orange-pink to milky-white colour. It is named after Arie Poldervaart (1918-1964), a petrologist at Columbia University, New York. Bultfonteinite is a pink, light-brown or colourless mineral It was discovered in 1903 or 1904 in the Bultfontein mine in South Africa, for which it is named.

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