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My choice of minerals is based on Ralph, Jolyon; Ralph, Katya (13 December 2017). "The Most Common Minerals on the Earth". mindat.org.. RockMagnetist (DCO visiting scholar) ( talk) 00:13, 14 November 2018 (UTC)
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My choice of minerals is based on Ralph, Jolyon; Ralph, Katya (13 December 2017). "The Most Common Minerals on the Earth". mindat.org.. RockMagnetist (DCO visiting scholar) ( talk) 00:13, 14 November 2018 (UTC)