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.
Comments: Opaque, white crystal struvite aggregates in earthy matrix.
Location: Skipton Caves, Victoria, Australia.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Comments: Yellow-brown tabular struvite crystal. Struvite is of organogenic origin and this type locality example is formed in manure pits.
Location: Nicolaikirche, Hamburg, Germany.
Scale: Specimen Size 1 x 1 x 1 cm.
© Tom Loomis / Dakota Matrix