Tourmaline is probably the only gemstone variety that occurs in such a wide range of colors. Red, pink, blue, black, brown, yellow, brown, green, orange, a color change variety as well as bi-coloration (watermelon tourmaline) and tri-coloration can be found in tourmalines. Tourmaline cabochons have been used in jewelry to add color and richness without escalating the price too much. Due to this gem’s inherent beauty and affordability it has remained a favorite among jewelry designers, particularly for manufacturing low cost silver jewelry. Beacab.com has tourmaline cabochons in various, sizes, shapes and colors. Sizes range from 4 mm to large stones measuring up to 20 mm. Suites containing 4 to as many as 100 matched graded stones are available as are pairs and unusually colored single stones. Shapes include round, oval, high dome cut, bullet shaped, sugar loaf, marquise, and rectangle cabochons in light, medium and dark tones of the colors mentioned above.