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A Geoscience Digital Image Library

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TitleGypsum pseudomorph after calcite
DescriptionThis 10 cm wide gypsum crystal formed in a space once occupied by a calcite crystal, so it has a shape typical of calcite, not gypsum. We call crystals with copy-cat shapes pseudomorphs.
PhotographerDarla Sondrol. 2001-06-05.
CollectionUniversity of North Dakota Mineralogy Collection #795.
Key wordsgypsum, pseudomorph
Tech details920 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number625