One raw stone to represent each chakra. *Stones will vary. Possible stones include 
 
Crown- Clear Quartz, Rainbow Moonstone, Amethyst Quartz, Amethyst
Third Eye- Sodalite, Lapis Lazuli, Azurite, Sapphire, Dumortierite
Throat- Turquoise, Blue Lace Agate, Aquamarine, Blue Howlite, Kyanite
Heart- Rose Quartz, Rhodonite, Green Agate, Amazonite, Green Opal
Solar Plexus- Citrine, Topaz, Honey Calcite, Amber, Golden Tiger's Eye
Sacral- Carnelian, Peach Aventurine, Moonstone
Root- Garnet, Red Jasper, Ruby, Obsidian