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.
This simple but amusing magnetic toy will keep you busy for hours!
This kit will get your paper plane ready for takeoff!
Defy gravity with this cool balancing eagle!
Watch what your music can create with this amazing Snap Circuits set!
This is a classic demonstration toy of the powers of magnetic fields!
See the constellations visible in the Northern Hemisphere on this watch!