I can't say I'm a 'believer' but ancient wisdoms were oft created as an explanation for the physical, and thus applicable in their own way. So, for various reasons, I've collected a lot of information on this kind of stuff. YMMV. I've never really found it works for me, but a couple friends swear by it and it seems to do them good.
First Chakra
The Base Chakra is about familial beliefs, superstitions, loyalty, instincts, physical pain and physical pleasure. This Chakra's formation was accomplished between 0 and 5 years of age. The first chakra is known as the Root Chakra. It is located at the base of the spine. The root chakra is the center of our basic energy or life force. Its color is red. Physically it deals with the functions of circulation and reproduction, the immune system, legs, bones and feet and the rectum. Emotionally it is connected with survival, the ability to stand up for yourself, feeling at home, group safety and security, social and family law and order, the ability to provide for yourself and grounding it is the least complicated of all the chakras.
Positive: will-to-live, to survive, Active, Sensory, Sexual, Manifesting, Practical
Negative: afraid of change, aggression, reckless, insecure, untrusting, fatigued
Time: Now
Needs: Physical contact, Sensory gratification
Challenges: To sense beyond the senses, to plan before action, to be receptive
Other Names: Root, base, muladhara, Kundalini (Sanskrit)
Element: Earth
Stones: Ruby, Bloodstone, Rhodonite, Quartz, Petrified Wood, Onyx, Jasper, Garnet, Tiger's Eye, Hematite, Smoky Quartz, Black Tourmaline, Lodestone, Bloodstone, Garnet, Onyx, Ruby and Obsidian
Area of consciousness: physical body
Importance: location of the kundalin
Essential oils: ginger, curry (garam masala), magnolia, lotus, pine, musk, vetivert. Rosewood, Frankincense
Musical note: C
Planet - Saturn
Metal - Lead
Incense: Cedar, Rosemary, Clove.
Flower Essence: Corn, Clematis, and Rosemary.
Sacred Truth - All Is One
Affirmation: I trust my Higher Self to fulfill all my needs. My life is full of prosperity.
Underactive: An underactive root chakra can lead to a lack of energy, and feeling as if you are "rootless" and have no true home, you may also feel need for approval or attention.
Balanced: When balanced, it will help you act wisely and with moderation. It will also help ease fears and bring awareness of experiences and talents from past lives.
Overactive: An overactive root chakra can lead to a person being obsessively sexual, reckless or hyperactive.
Second Chakra
This chakra center is the center for sexual energy and pure emotion. It relates to sexuality, creativity, emotions such as anger, fear, and our feeling concerning food and sex. The second chakra is also known as the sex chakra. It is located about an inch below the navel. It's the center that is used to help detoxify the body. Its color is orange.
Physically it deals with the functions of the adrenal glands, and influences the reproductive system, the large intestine, pelvis, bladder, lower vertebra, appendix and the muscular system. Emotional issues connected to the navel chakra include blame and guilt, money and sex, power and control, creativity and ethics and honor in a relationship.
Positive: Humanitarian, Hospitable, Expansive, Optimistic, Warm, and Altruistic
Negative: Selfish/Proud, Mistrustful, Power-seeking, Ostentatious, Manipulative, lustfulness
Time: Do Now for Future
Needs: Social Contact, Acceptance in group/family, Respect, Good reputation
Challenges: To belong to the family of man through love and service.
Other Names: Sacral, sexual, svadhisthana (Sanskrit)
Element: Water
Stones: Quartz, Carnelian, Amber, Jasper, Bloodstone, Garnet, Orange Tourmaline, Peach Moonstone, Hematite, Coral
Area of consciousness: emotional
Governs: feelings of sexuality, and creativity
Essential oils; musk, hyacinth, bergamot, coriander, honeysuckle, patchouli, Sandalwood, Jasmine, Rose
Musical note is D
Planet - Mars
Metal - Iron
Incense: Gardenia, Sandalwood.
Flower Essence: Hibiscus, Willow, Oak, and Elm.
Sacred Truth - Honor One Another
Affirmation: I accept and acknowledge my sexuality. My physical health is strong and pure.
Under active: When underactive, it may cause restlessness, confusion, mistrust, and person anti-social behavior. A person with an underachieving chakra may have trouble opening up to others.
Balanced: When balanced, a person will be gratified emotionally. It brings courage, and attraction to others. It also helps creativity.
Overactive: When overactive, it may result in a person who is arrogant, selfish, lustful, conceited and power-hungry.
Third Chakra
This chakra holds our formed personality, our wishes and desires and our willing ability to manifest them. Here is our power for compassion, charity, and true justice. The third chakra is in the solar plexus area, close to the navel, and its color is yellow. Physically it deals with the workings of the digestive system, the stomach, the liver, gall bladder, kidneys, middle spine and adrenals. Emotional issues connected with the solar plexus chakra are trust, fear, intimidation, self-esteem, self-confidence, and self-respect. Responsibility for making decisions, sensitivity to criticism and personal honor.
Positive: Logical, Creative, Flexible, Eloquent, Self-aware, Methodical, And Efficient
Negative: Critical, Contradictory, Verbose, Egotistical, Judgmental, And Separative
Time: Past to present to future
Needs: To live in an orderly world. To express individuality. To shine intellectually.
Challenges: To end separation and merge with the One in all.
Other Names: Solar Plexus, manipura (Sanskrit)
Element: Fire
Stones: Quartz, Citrine, and Topaz
Area of consciousness: mental or intellectual body, this includes thoughts, opinions and judgments.
Governs: emotional issues and issues of personal power.
Musical note is E.
Planet - Jupiter
Metal - Tin
Crystals - Jasper, Yellow Tourmaline, Citrine, Amber, Golden Topaz, Tiger's Eye
Essential Oils - Cinnamon, Geranium
Incense: Carnation.
Flower Essence: Chamomile, Peppermint, and Golden Yarrow, Lemongrass.
Sacred Truth - Honor Oneself
Affirmation: In a smooth and healthy way, I release all unresolved emotions. I claim my personal power.
Underactive: When underactive, a person may feel aloof, isolated, and may be afraid to explore new opportunities.
Balanced: When balanced, one lives in peace and new learning opportunities are presented. It brings selfless service to others.
Overactive: When overactive, it shows one who is judgmental and has a quick temper. It also represents one who is stubborn and critical.
Fourth Chakra
This Chakra is the "center" of the system. The balance between the spiritual and the physical. It is about the ability to love freely and unconditionally and controls the creative process. The fourth chakra is the heart chakra and its color is Green. Physically it influences the immune system the thymus gland, heart and circulation, tissue regeneration, lungs, shoulders and arms, ribs, chest/breast and the diaphragm. Emotionally it is connected with love and hatred, resentment and bitterness, grief and anger, self-centeredness, loneliness and commitment, forgiveness and compassion, hope and trust. problems and breast cancer.
Positive: Generous, Vital, Powerful, Secure, Openhearted, Nurturing, Self-assertive, Compassionate, Expansive,
Negative: Miserly, Depleted, Self-doubting, Insecure, Possessive/jealous, Selfish, Attached, Envious, Mistrustful,
Time: Moves between past, present and future seeking confirmation and security.
Needs: To feel secure. To feel assertive and powerful. To love and be loved.
Challenges: To love without attachment. To conquer possessiveness. To master doubt, fear, mistrust, and insecurity
Other Names: Heart, anahata (Sanskrit)
Element: Air
Stones: Quartz, Moldavite, Malachite, Peridot, Moss Agate, Moonstone, Aventurine, Emerald, Rose Quartz, Jade, Peridot, Aventurine
Area of Consciousness: astral body
Governs: love, compassion, and unconditional acceptance for others
Essential oils: attar of rose, jasmine, and amber.
Musical note is F.
Planet - Sun
Metal - Gold
Incense: Lavender or Jasmine.
Flower Essence: Holly, Poppy, and Wild Rose, Heather.
Sacred Truth - Love is Divine Power
Affirmation: I freely and easily give and receive love. I totally forgive myself and others for all past errors and judgments.
Underactive: When underactive, it shows a person who is unemotional or feels unloved. The person with an underactive heart chakra may have a weak will as well.
Balanced: When balanced, the heart chakra may open one up to the ability to heal. It also helps balance the other chakras. It brings pure love as well.
Overactive: When overactive, it may cause a person to be overly confidant, jealous, and angry.
Fifth Chakra
This chakra governs our speech, hearing, and communication of self-expression. It is the beginning seat of our intuition. It is about the expression of the truth that we know in our heart. The fifth chakra is located in the throat area and its color is blue. Physically it ties in with the functions of the esophagus, thyroid, parathyroid, trachea, mouth, teeth and gums. Emotionally it is connected to choice and strength of will, personal expression, following your dream, using personal power to create, addiction, judgment and criticism, faith and knowledge and the capacity to make decisions.
Positive: Content, Idealistic, Patient, Creative, Peaceful, Truthful,
Negative: Smug, Dogmatic, Fanatic, Rigid, Negative, And Critical
Time: Past
Needs: To attain inner peace. To find mental security. To live an ideal.
Challenges: To find confirmation within rather than from others. To let go of memories. To live in the present.
Other Names: Throat, visuddha (Sanskrit)
Element: Sound
Stones: Turquoise, Amazonite, Chrysocolla, Azurite, Quartz, Boji stone, Lapis, Blue Opal, Aquamarine, Blue Topaz, Aquamarine
Area of consciousness: etheric body
Governs: communication, expression of thoughts and feelings
Essential oils: lilac, patchouli, and frankincense. Myrrh
Musical note is G.
Planet - Venus
Metal - Copper
Incense: Frankincense.
Flower Essence: Cosmos and Trumpet Vine.
Sacred Truth - Surrender of Personal Will to Divine Will (I think the truth here is more of accepting things that I can't change and stop struggling against them.)
Affirmation: I easily and gracefully express my deepest feelings and emotions.
Underactive: When underactive, one may resist change, be depressed, and be stubborn.
Balanced: When balanced, a person will have foresight into laws of natural phenomena, calmness, serenity, and have a good command of speech.
Overactive: When overactive, a person may be domineering, hyperactive, and may speak harshly to others.
Sixth Chakra
This is our source of intuition and insight. Our sense of spirituality, and inner awareness of self through inner and outer sight, visions, and dreams. The sixth chakra is also known as the Brow Chakra. It's located in the middle of the forehead, right between the eyebrows and its color is indigo. Physically it influences the immune system, the eyes, nervous system, nose, brain, pituitary gland, pineal gland and sinuses. Emotionally it is connected to self-evaluation, truth, intellectual abilities, feelings of adequacy, openness to the ideas of others, ability to learn from experience and emotional intelligence.
Positive: Supersensitive, Visionary, Aesthetic, Abstract, Inspired, Telepathic, and Creative
Negative: Inefficient, Cruelty, Injustice, Forgetful, Undisciplined, Unable to manifest.
Time: Future needs, to feel at one with the universe. To have a conflict-free relationship.
Challenges: To make real the vision of the future. To manifest. To refine the supersense.
Other Names: Third Eye, Brow, ajna (Sanskrit)
Element: Light
Stones: Amethyst, Quartz, Lapis Lazuli, Azurite, Sugilite, Herkimer Diamond, Moldavite, Flourite, Sapphire, Turquoise, and Moonstone
Area of consciousness: celestial body
Governs: spirituality and the search for meaning in life, intuition, and visualization
Essential oils: rose, amber, sandalwood, Rosemary, Basil, and Clary Sage
Musical note is A.
Planet - Moon
Metal - Silver
Incense: Mugwort or Eucalyptus.
Flower Essence: Wild Oat and Queen Anne's Lace.
Sacred Truth - Seek only the Truth
Affirmation: My inner vision is clear and strong. I trust my intuition and inner vision.
Underactive: When underactive, it may cause a person to be forgetful or to worry a lot. The person may be overly superstitious as well.
Balanced: When balanced, a person will have a creative imagination and good visualization. Also, a person will probably be able to see things that other people cannot see, such as visions and spirits.
Overactive: When overactive, it causes a person to be impatient, fearful, and overly sensitive.
Seventh Chakra
This is the chakra that gives us our sense of Oneness and connection to the cosmic consciousness. Here is the ability to receive light from the source and it is our connection to our higher self. The seventh chakra is located at the top of the head and its color is violet. Physically it affects the functions of the muscular system, skeletal system and skin. Emotionally it is connected to the ability to trust in life, values, ethics and courage, humanitarianism, selflessness, ability to see the "big picture", faith and inspiration, spirituality and devotion.
Positive: Creative, Charming, Sense of wonder and mystical instinct for divine order, Power of transformation.
Negative: Inefficient, Unable to live in the Now. Spaced-out, Forgetful, Fearful of future.
Time: Past, Present and Future
Needs: To bring order out of chaos. Eternal communion with the Universe. Annihilation of time.
Challenges: To be disciplined in manifestation. To transform the self-image with the power of the imagination.
Other Names: Crown, sahasrara (Sanskrit)
Element: Thought
Stones: Cookeite, Sugilite, Herkimer Diamond, Quartz, Moldavite, Amber, Diamond, Amethyst
Area of Consciousness: ketheric body
Governs: our connection to the concept of "God" or a higher intelligence
Essential oils: Rosewood, Lavender, and Sandalwood
Musical note is B
Planet - Mercury
Metal - Mercury
Incense: Lotus, Lavender, Sage, and Juniper.
Flower Essence: Lotus, Angelica, and Tulip.
Sacred Truth - Live in the Present Moment
Affirmation: I accept and acknowledge my spirituality.
Underactive: When underactive, this chakra leads one to have low self-esteem or a negative self-image. The person may feel misunderstood as well.
Balanced: When balanced, it shows a person who is wise and understands all. It links us to higher forces. The person who has a purified crown chakra is very spiritual indeed.
Overactive: When overactive, a person may have a strong desire to feel popular or wanted, and may have a very erotic imagination.