Elbaite with albite, quartz, microcline = Magnificent blue-capped elbaites jut out of a quartz and white-bladed albite base. Elbaite is a member of the tourmaline family. A source of muscovite since the early 20th century, Pederneira Mine is more important for gem tourmalines today. = Group: Silicates = Purchased partly through gift of Mary Horner Stuart 1994 = Locality: Pederneira Mine, Governador Valaderas, Brazil

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