A ghostly sheen moves under the surface of this feldspar, like moonlight glowing in water.
This Month's
Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.
Dazzling brilliance. Captivating color. These are the planet’s most valued gems.
Diamonds are among nature’s most precious and beautiful creations.
Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.