My friend, Terrain, convinced me to buy these glossy bold botswana agate stones yesterday. This necklace is 34 inches long, needing no clasp. This is a definite break from my very tiny gems that I've working with. My friend, Terrain, convinced me to buy these glossy bold botswana agate stones yesterday. This necklace is 34 inches long, needing no clasp. This is a definite break from my very tiny gems that I've working with.