Lotus Inlay Soapstone Diffuser, H=4": Square diffuser with Mother-of-Pearl lotus inlay. Soapstone is a soft stone, perfect for carving. It retains heat well and is 100% fire-proof. Our soapstone diffusers are individually hand-carved and come in a variety of colors. (Sorry we cannot honor color requests). Handcrafted by our valued supply partners in India. To use our diffusers fill the diffuser bowl with water and approximately 10 drops of Triloka essential oil. Place a tea light in the bottom of the diffuser, light, and enjoy! For oil blending recipes and usage information see our Triloka Essential Oil brochure.