CAL101 Fluorescent Calcite Onyx Four felt circles protect the

Four felt circles protect the wood and display surfaces from scuffing

These geodes have a green to tan exterior that is sturdy

5 to 7 on the Mohs Scale

and pale pink banded agate

features orange

CAL101 Fluorescent Calcite Onyx Four felt circles protect theThis calcite rhomb has naturally straight sides created from its distinct cleavage properties. The rhombohedral formation produces double refraction, which is why this material is also known as Optical Calcite. When you look at objects through the calcite, it splits the rays of light and displays two images of the same object. This piece is a translucent peachy pink, which is a result of the presence of manganese within its chemical makeup. Pink