I've had a few friends ask me how to do the bone armor from my Daemon Prince. In truth, it was probably the easiest part of the whole mini. I picked up the technique from watching Soul of Iron work on his sandstone necrosphynx.
1. base the model with Krylon Almond Indoor/Outdoor
2. wash with Gryphonne Sepia
3. drybrush a bit of white to find the high areas
4. paint thin coats of a light ivory color (I'm using P3 Menoth White Highlight)
I first primed the body, then wrapped it up in masking tape so only the
armor bits were showing in order to spray them for a nice even