Tourmalines Sentence Examples

It possesses unlimited supplies, as yet not greatly exploited, of fine building stones, some oil and asphalt, and related bituminous products, a few precious and semi-precious stones (especially tourmalines, beryls and aquamarines found near Canyon near the Royal Gorge of the Arkansas river), rare opalized and jasperized wood (in the eastern part of the El Paso county), considerable wealth of lead and copper, enormous fields of bituminous coal, and enormous wealth of the precious metals.

The colors of aquamarine, peridot, citrine, amethyst, colored sapphires, tourmalines, iolites, and creamy freshwater pearls create an interplay with gold and diamonds that offers a refreshing and feminine appeal.

Some tourmalines change color slightly depending upon whether they are in natural or artificial light.