By Dr. Lori Verderame For those of you who are shopping for someone special in your life this month, here are some tips that will help you get the most for your money when buying colored ...

Crystals can be made artificially but a lot of energy is used to melt the ingredients together, and this can make them expensive. This problem can be overcome by using appropriate solvents. Called the ...

This year at the Tucson gem shows, you can see everything from a complete woolly rhino fossil, to large silver specimens on exhibit for the first time since 1947, to dazzling displays of red, white ...