Crassula marnieriana Jade Necklace Vine. You can cut a 5"-7" piece, or pieces of of stem removing some of the bottom leaves to make at least an inch of bare stem for planting. Stick the stem down to almost the next leaf but keep it out of the soil. Use a good fast draining cactus soil and a small pot. Water let dry, don't keep wet. Bright indirect light until rooted, then you can move it to brighter and brighter light and then into some sun.