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Eisco Rock Gypsum Specimen (Sedimentary Rock), Approx. 3cm (1"), Pack of 12

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$38.21
SKU ESNG0088PK12
  • 12 rock gypsum specimens approximately 1" (3cm) in length
  • Formed from the lithification of sulfate evaporite deposits
  • Perfect size for use in classroom identification labs and exercises, corresponding well with Next Generation Science Standards evidence statements
  • Useful for rock/mineral comparison studies, as well as lessons on sedimentary rock formation
  • Specimens come in clear labeled bag for ideal storage

Gypsum is a sulfate mineral formed as the byproduct of evaporating saltwater. When this mineral becomes lithified, it forms rock gypsum, a sedimentary rock. This pack of 12 samples is great for stocking a classroom, or as a part of a small rock collection or event.