Gypsum sometimes occurs in rounded shapes called rosettes or desert roses. These are typically found as deposits in sedimentary beds. Gypsum is a soft mineral, No. 2 on the hardness scale or 1-10 used by geologists. It has many commercial uses, including making of plaster of Paris.
Great for science projects or classroom collection.
Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the ones pictured but it will be similar. Price is per each piece. They come in irregular shapes, sizes and weights. Photo shows three pieces for demonstration purposes only.
Discover how solar cells make electricity with this awesome kit!
Is it a demonstration of a scientific law or a work of art?
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Use this kit to introduce electromagnetic principles in the classroom setting!
The Wimshurst Machine is a high quality static machine for student labs.
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