Carnelian beaded necklace gemstone and red line marble orange autumn fall handmade jewelry This 19" necklace is made of the beautiful gemstone, carnelian. Carnelian is believed to ward off depression and enhance one's self esteem. The gemstone carnelian in this necklace is deep orange. Very pretty oval red line marble stones also make up this necklace. It is on a stretch cord to make it very simple to just slip over your head in a matter of seconds.