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
وصف
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.