Magnesite Magnesite can assist in visualization and imagery. Instills peace during meditation, grounds the intellect and assists in producing the opening of the crown chakra. Stimulates passion and heart felt love. Enhances the purification of the cells. And yes, ladies, it DOES assist in lessening the symptoms of PMS  Also helpful with bones and teeth.
Magnetite Magnetite also known as Lodestone, this is a naturally magnetic stone attracting love, good luck and health. Assists in teaching mental telepathy allowing amplification of visualization and prayer. The craze of putting magnets on arthritic areas and the rise in costs for such things is simply putting to use what you can do with Lodestone for much less
Malachite Malachite is a stone of transformation, assisting one in changing situations and providing for the transfer of sacred information leading to spiritual evolution. It assists in clearing and activating all chakras and quite helpful in the stimulation of the heart and throat chakras. It is a wonderful equalizing and balancing agent.
Manganese Manganese is a mineral of bonding, spontaneity, and produces a grounding effect which balances the emotions and the physical body. 
Manganocalcite Manganocalcite has a female, receptive vibration and promotes connection to female spirit guides. It transmits mother energies of giving life, nurturing and love. It represents undifferentiated being, spiritual perfection and purity. Best cleansed by moonlight and with sound. Resonates to the unicorn.This mineral also fluoresces!!!
Mariposite Mariposite is actually a variety of chromian Phengite which comes from California containing calcite, chromium, manganese and on occasion, sulfur. Embodying the essence of butterfly medicine, Mariposite, assists those who experience a shattering phase experience by gently and quickly supporting resilience in transformation. Allows release and adaptation to thrive in the new condition.
Medium Stone see Serafina
Mica Mica provides reflective qualities in us so that we can recognize the flaws of humanity, yet still can remain in the heart space to continue to love humanity, despite the flaws.  It can also be used to assist with clarity in visions and mysticism. It provides for self reflection and allows one to recognize that in each person you see but the reflection of that which you choose to have that person be.
Millennium Orange Millennium stone is a form of Round Crystallized Carnelian Nodules, only found in the high desert of the US South West.  <BR>As the emotional winds of change buffet us through the Earth changes that are upon us, these little Orange balls weld the power to calm the survival fears that effect the lower 4 Chakras The fears that tend to keep us off balance and feeling alone, vulnerable to attack, loss, powerlessness. The root causes of the victim consciousness that seems to permeate the World today, and that creates a self fulfilling prophecy of doom; Letting one face there greatest fears, but then not walking through them.
Mochi Balls or Marbles see Shaman Stones see Shaman Stones
Moonstone Moonstone fosters happiness, good fortune, nurturing, unselfishness, humanitarian love, hope, spiritual insight, easy childbirth, safe travel on water, new beginnings, abundance and ancient wisdom. This stone gets in touch with our feelings and is linked to the moon. It is best to attune its energies to the moon's phases. Moonstone is protective of women and nature, and is a sacred stone of the moon goddess.
Morganite Morganite An activator, cleanser and stimulator for the heart chakra. Helps to bring love into ones life and maintain that love as it continues to grow. Brings the actualization of gain to ones life-gain and supplementation of that which is required to cultivate the spirit and to allow one to consciously align the personality with the ethereal soul. Stimulates the transmittal of interpersonal wisdom from ones guides. Stimulates creativity in issues of self control, assisting one to act from love. Opens the door to those vital currents which activate and energize loving thoughts and actions. Powerful love stone!
Moss Agate Moss Agate is a wonderful cleansing stone! Cleanses the circulatory system and the elimination systems of the body. Eliminates depression caused by brain imbalances. Helps those who are more thinking to access their feeling or intuitive side.
Moukaite Agate Moukaite Agate is from Australia and comes in a variety of colors from ivory and mustard to deep mauves and browns. Agates provide for balancing of the yin-yang energies and for balancing the physical, emotional and intellectual bodies with the etheric energies. It stabilizes the aura, providing for a cleansing effect which acts to smooth dysfunctional energies and to both transform and eliminate negativity. It can further assist one in the development of precision in examination of oneself and of circumstances relevant to ones well-being.
Mtorolite Mtorolite is a velvety green chrome chalcedony from Africa. It is a natural support stone for all practices involving homeopathy, plant essences, herbology, aromatherapy and plant cultivation. Provides a sense of lucidity in crisis and the strength to endure. A wonderful, loving heart chakra stone.