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 ...

Add Yahoo as a preferred source to see more of our stories on Google. “The term ‘gemstone’ can be thought of as a catch-all term for the many natural mineral and crystalline formations found within ...

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 ...