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Lovdarite: K2Na6Be4Si14O36·9(H2O)
Comments: Bright white crystal sprays of lovdarite on fine-grained white natrolite. Location: Yubileinaya Pegmatite, Mount Karnasurt, Lovozero Massif, Kola Peninsula, Murmansk, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species