Gemstone Glossary - H

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

HEAT TREATMENT - Heat if often used to enhance the color of a gemstone.

Ametrine Gemstone Aragonite Gemstone Calcite Gemstone Hawk's Eye Gemstone Sunstone Gemstone