Earth Chakra
The first chakra is the Earth Chakra, located at the base of the spine. It deals with Survival, and is blocked by Fear.
Also known as Mūlādhāra ( मूलाधार ) or root. Its color is red and is symbolised by a lotus with four petals.
Water Chakra
The second chakra is the Water Chakra, which deals with Pleasure, and is blocked by Guilt.
Also known as Svādhiṣṭhāna ( स्वाधिष्ठान ) or Sacrum. Its color is orange, and is symbolised by a lotus with six petals.
Fire Chakra
Third is the Fire Chakra, which is located in the stomach. It deals with Willpower, and is blocked by shame.
Also known as Maṇipūra ( मणिपूर ) or Solar plexus. Its color is yellow, and is symbolised by a lotus with ten petals.
Air Chakra
The fourth chakra is the Air Chakra (though its name is never explicitly stated). Located in the heart, this chakra deals with Love, and is blocked by Grief.
Also known as Anāhata ( अनाहत ) or heart. Its color is green, and is symbolised by a lotus with twelve petals.
Sound Chakra
The fifth Chakra is the Sound Chakra, and is located in the throat. It deals with Truth, and is blocked by lies.
Also known as Viśuddha ( विशुद्ध ) or throat. It is the "Life chakra," and its color is azure blue. It is symbolised by a lotus with sixteen petals.
Light Chakra
Located in the center of the forehead, the sixth Chakra, Light, is responsible for Insight, and is blocked by Illusions. The greatest Illusion is that of Separation: Things you think are separate and different are actually one and the same.
The Light chakra is also known as Ãjñā ( आज्ञा) or third eye. It is the "Time chakra" and its color is indigo. It is symbolised by a lotus with two petals. It is also known as "the mind's eye."
Thought chakra
The seventh and last Chakra is the Thought Chakra, and is located at the crown, above the head. It deals with Cosmic Energy, and is blocked by earthly attachment.
The Thought chakra is also known as Sahasrāra ( सहस्रार ) or crown, and its color is white or violet in color. It is also the "Space chakra," and is the master chakra that controls all the others. It is symbolised by a lotus with a thousand petals.
The ability to overcome these helps to achieve incredible balance, and unprofound thought.
I have found that my meditation has become deeper and I am almost un-disturbed by sounds.
