Colored charts about crystal healing are available on Crystal-Healing.org and Old-Earth.com. These charts provide information about different types of healing crystals categorized by color and physical or psychological relevance.
The crystal healing chart on Crystal-Healing.org is divided into four columns for chakra, colors, keywords and crystals. Each row of the chart describes a different set of healing crystals. For example, crystals pertaining to the third eye chakra may be purple or indigo. Such stones include amethyst, charoite, lepidolite and lapis lazuli.
The chart on Old-Earth.com displays crystal colors next to the relevant body parts and effects. According to this chart, white crystals such as diamond, opal and quartz promote openness and spiritual connection.