To create characterization in fiction or non-fiction, 1  Tell the reader directly what a character's personality is like: 2  Describe a character's appearance and manner: 3  Portray a character's thoughts and motivations:  Use dialogue to allow a character's words to reveal something important about his or her nature:
Cherniak (2010b) reviews diffusion in the accessory minerals zircon, monazite, apatite, and xenotime, phases important in geochronologic studies. Diffusion in other minerals, including carbonates, sulfide minerals, fluorite and diamond, is reviewed by Cherniak (2010c).
Diffusion is the net movement of material from an area of high concentration to an area with lower concentration. The difference of concentration between the two areas is often termed as the concentration gradient, and diffusion will continue until this gradient has been eliminated.