Calcite is the most common mineral next to quartz. Optical calcite is less common. It is shaped sort of like a rectangle which has been stretched (a rhombohedron). It is clear with a glassy luster and makes objects placed behind it appear double (due to different indices of refraction of light it has). Flawless specimens are used in optical instruments.
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.
Explore the wonders of wind power with this amazing kit!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
This project book and sample kit introduces you to shape-memory alloy technology!
Find the hidden crystals when you open your own geodes from this fun set.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!