AGATE comes from the quartz family and is found in countless shades and colors, from blue to black and from pink to bright firey red. The properties associated with agate can vary based on the color ...

Mineral deposits can create markings that look like forests or mountains, and experts say each stone is distinctive. By Jill Newman When Tarun Adlakha displays a dendritic agate, with its finely ...

THIS exquisite image captures the astonishing internal structure of crazy lace agate, also known as Mexican agate. This section of the mineral is some 65 million years old. Agate is related to quartz ...