The following is a brief list of crystals, including a few examples of their metaphysical properties. Information was gathered using: Love is in the Earth - A Kaleidoscope of Crystals (updated version). This book provides an excellent resource for anyone interested in this topic.
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Agate:
Blue Lace: can help one reach extremely high spiritual places, inspirational influence when used for inner attunement
Botswana: stimulates exploration of the unknown, enhances creativity
Moss: improves ego and self esteem, allow one to see the beauty within
Amber:
calms nerves, stimulates intellect
Amethyst:
creates calm and peaceful energies, assists in the assimilation of new ideas
Aventurine:
balances male/female energies, enhances creativity
Azurite:
stimulates ones compassionate and empathetic nature, provides relaxation during meditation
Bloodstone:
intense healing stone, dispels states of bewilderment and obscure thought
Carnelian:
protects against envy, fear, and rage, and cleanses negativity from other stones
Charoite:
awakens analytical abilities and precision, enhances ones giving nature
Citrine:
dissipates and transmutes negative energy, clarifies problems related to the realm of intellect and emotion
Chrysanthemum Stone:
renewal of relationships, dispels superficiality and mental distractions
Diamond:
instill the aspect of trust to relationships and situations, helps manifest abundance in all areas of ones life
Emerald:
enhances memory, brings harmony to all areas of ones life
Enhydro:
supports the empathetic state, provides for the coupling of imagination and practicality
Fluorite:
increases the ability to concentrate, helps one to see both reality and truth behind illusion
Fuchsite:
helps one bounce back after tense situations in the physical and/or emotional realms, in channeling it can bring information concerning herbal remedies and holistic remediation
Garnet:
extracts negative energy from the chakras and transmutes it to the beneficial state, enhances ones internal fire
Geode:
facilitation of astral travel, allows one the freedom to mold and shape ones own future
Hematite:
assists in the focusing of energy and emotion for balance between body, mind, and spirit, and helps one attain a "soft" meditative state
Howlite:
dispels criticalness, cold selfishness, and facetious-ness, also eliminates pain, stress, and rage
Iolite:
useful for stimulation of visions, helps one to release discord from ones life
Jade:
helps to attune one to the needs of others, inspires wisdom during the assessment of problems
Jasper:
protects against negativity, stabilizes the aura
Jet:
can be used to protect the wearer against illness and violence, calming agent:
providing diminishment in depression
Kunzite:
can be used to remove obstacles from ones path, dissolves negativity
Kyanite:
brings tranquility and a calming affect, stimulates communication and psychic awareness on all levels
Labradorite:
brings the light of other planetary beings to the soul of the user, helps gain the understanding required to both realize and achieve the destiny of this life
Lapis Lazuli:
allows one to gain access to, and to explore, the esoteric planetary knowledge, assists in the organization of ones life
Lamimar Stone:
(see Pectolite)
Lepidolite:
stress reduction, helps in the transition from one life to another
Malachite:
equalizing and balancing agent, provides for ease of disposal of opposing encounters
Marcasite:
represents spiritual development, stimulates and illuminates the senses and the intellect
Mica:
provides for self-reflection, enhances ones flexibility in physical, emotional, and intellectual situations
Moldavite :
stimulates cooperation between those of extra-terrestrial origin and those experiencing life on Earth, carries one beyond the mirage of life
Moonstone:
used to alleviate emotional tension and to enhance the positive attributes of creativity and self-expression, stimulates confidence and composure
Nephrite:
can enable one to balance the male and female energies and to exchange the energies to further provide for balancing between the self and a partner
Nuummit:
can be used to open, activate, and to integrate the chakras, has been said to teach one that the bonds and constraints placed upon a person are self-imposed and easily discarded
Obsidian:
excellent grounding stone, excellent protective stone
Onyx:
can be used to banish grief, to enhance self-control, to stimulate wise decision making, and to encourage happiness and good fortune
Opal:
can be used to strengthen memory, instills faithfulness and loyalty with respect to love, personal affiliations and business relationships
Pearl:
signifies faith, charity and innocence, enhances personal integrity, helps to provide a focus to ones attention
Pectolite:
helps one to admit guilt, used for dimensional work and cellular work
Peridot:
can be used to magnify the inner aspects of any situation or circumstances, helps to regulate the cycles in ones life
Petrified Wood:
provides strength in all areas of ones life, provides access to, and explicit information concerning past lives
Pyrite:
possesses a defending quality, and is an excellent preventative which will shield one from many forms of negative energy
Quartz:
can be used to amplify both body energy and thoughts, said to bring the energy of the stars into the soul (Love is in the Earth provides 52 pages on quartz crystal)
Rose Quartz:
promotes receptivity to the beauty of art, music, and the written word, enlivening imagination, and representing a young, warm love
Ruby:
has been used to induce stability in ones economic status, encourages one to follow bliss
Sapphire:
can be used to rid one of unwanted thoughts, brings lightness and joy to the user/wearer
Selenite:
provides for clarity of the mind, expanding ones awareness of the self and ones surroundings, can be used to access past lives and future ones, if ones life proceeds in the direction in which it is now going
Sunstone:
can be used to dissipate fearfulness, to alleviate stress, and to increase vitality, also used to encourage independence and originality and to provide "luck" in games
Sodalite:
provides fellowship, solidarity, and a commonality of goal and purpose within a group, can be used to enhance truthfulness in emotions
Tanzanite:
facilitates communication with the spiritual worlds of the ancient tribal communities which were located throughout the world, has been used to assist one in encountering different aspects of the self and to understand the imagined wonders which exist on the other planes
Tiger Eye:
can be used to enhance the psychic abilities, can bring awareness of ones personal needs as well as the needs of others
Topaz:
helps one to absorb that which is needed from the universe, instrumental in visualization(for healing and/or attracting), in meditation, and in projection
Tourmaline:
can be used to attract inspiration, to diminish fear by promoting understanding, and to encourage self-confidence
Zincite:
helps bring together those of like-mind, beneficial to furthering relationships on the physical plane
Zoisite:
can be used to dispel laziness and idleness, allows for direct connection, via the mental process, to the celestial latitudes(especially during the astrological cycles of Gemini, Taurus, and Aries); this can facilitate advancement in all areas of ones life