Chrysocolla, or hydrated copper silicate, is used as a minor ore of copper, an ornamental stone and specimens for collectors with it’s unique blue-green colors. Chrysocolla is found in copper rich ore bodies. It is sometimes found agatized, and swirled with sparkling crystals. Can be mistaken for turquoise.
This high-quality specimen is approx 2-3 inches big! Great for classroom or science project use.
Working model representing the sun, earth, and moon and their relationships.
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This classic device is used to demonstrate the conservation of mechanical energy.
Learn about hydrogen fuel cells with this incredible kit!
Build over 100 exciting electronic projects with this easy to use kit!