Illustrated charts of the seven chakras are available through the Chopra Center in California and the Divine Life Society in India. The Divine Life Society, founded in 1936 by Swami Sivananda Saraswati, is a marvelous source for free information about the seven chakras, including many online publications with detailed chakra charts.
Another rich source for charts of the seven chakras is About.com, which offers a variety of illustrated diagrams, ranging from very simple to extremely elaborate. Some charts are offered for free download; however, many of the more embellished versions must be purchased.
Chakra is a Sanskrit word that translates to wheel and refers to the swirling circles of energy throughout the body. There are seven primary chakras that begin at the base of the spine and end at the crown of the head. Each chakra has its own vibrational frequency that is represented through a specific chakra color and symbol. This collection of energy frequencies is referred to as Prana, the Sanskrit word for life-force, and regulates key functions of health, vibrancy and life.
Various Eastern scriptural texts and teachings exhibit a different number of chakras, but there are seven chakras considered to be the most important ones. The earliest introduction of the hierarchies of chakras was made in the 8th century in Eastern religions. In Western culture, the concept can be traced back to the 18th century, but the most popular seven chakra theory in the West was introduced in 1927.