CAL106 Fluorescent Calcite Cold Mountain Thunderegg A polished Condor Agate specimen

A polished Condor Agate specimen featuring opaque black

This polished Condor Agate specimen shows saturated red-orange and yellow banded agate with black and brown chromatography

This Botswana Agate specimen has a polished surface and a fractured window on the back

From the Pilbara region of Western Australia

CAL106 Fluorescent Calcite Cold Mountain Thunderegg A polished Condor Agate specimenThis 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 pale peachy pink, which is a result of the presence of manganese within its chemical makeup. Pink