This large chunk of Moscovite Mica, 2-3 inches in diameter, is great for any mineral collection.
A common rock-forming silicate, generally colorless and ranking No. 4 on the Mohs scale of hardness. It has a variable chemical composition of potassium, magnesium, silicon, and oxygen, with water in its crytalline structure. Large, clear plates of mica where once commonly used for windows, but more often used as an insulator.
Explore the wonders of wind power with this amazing kit!
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Is it a demonstration of a scientific law or a work of art?
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
This microscope is so versatile you can even take it with you on a job site!
Easily assemble a working alarm motion detector!