Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Thomsonite-Sr: (Sr,Ca)2Na[Al5Si5O20]·7(H2O)
Comments: White, columnar-acicular crystals of shomsonite-Sr lining a vug. Location: Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 0.5 cm. © Jeff Weissman / Photographic Guide to Mineral Species