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.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Extra thick medical examination gloves - 60mil. Great for extra protection.
Durable, anti-fog safety glasses that fit comfortably on any head size.
Recommended for protection against chemical splashes. A must have for every young chemist!
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
Highly durable lab apron made of rubberized cloth is impermeable and easy to clean, perfect for all manner of lab or classroom experiments
Get one of the craziest and coolest kaleidoscopes around!
See the solar system in action!
This microscope is so versatile you can even take it with you on a job site!
Use this awesome prism to teach about optics and light in the classroom setting!
This is a classic demonstration toy of the powers of magnetic fields!
Comprehensive collection of 30 fossils.
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