Spinel comes in a wide range of colors, including red, pink, orange, purple, blue and green. As a result, the symbolism of this gemstone depends on its color. For instance, red spinel is ...

A gem with a consistent color throughout will often be more valuable ... Uruguay, Siberia, and Canada also contribute to the ...

But it wasn’t until 1912, when the American National Retail Jeweler’s Association (now the Jewelers of America) met in Kansas ...

In incandescent light, it is red or purple. The gem takes its ... in your mouth during a full moon. What color is my birthstone? Learn which gemstone represents each month and what it means.

The team found that iron content likely correlates to the signature purple hue in amethysts and elements including chromium, vanadium, and copper also impact a gem’s color. Synthetic gems that ...