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.
Easily assemble a working alarm motion detector!
This glass Erlenmeyer mug makes an excellent gift!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Have fun building your very own FM radio!
This black scorpion specimen is great for the classroom setting!