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Mendozavilite: (Na,Mg)Ca2[Mo++++++8P+++++2Fe+++3O36(OH)]·n(H2O), n~9
Comments: Light yellow micro crystals of mendozavilite and earthy alterations in vuggy quartz matrix with black schorl. Location: Rustler mine, Tooele Co., Utah, USA. Scale: Picture size 1 cm. © Tom Loomis / Dakota Matrix
Comments: Vuggy matrix covered with yellow micro crystals of mendozavilite. Location: Rustler mine, Tooele County, Utah, USA. Scale: Specimen size 1 cm. © John Veevaert