If you were looking into a crystal ball in your dream, what you see is most likely to be wish-fulfillment or a reflection of your hidden fears. To dream of coral has a significant meaning in dreams, since coral comes from the depths of the sea; it may therefore relate to your deepest hopes and fears
A crystal is an earth compound—a mineral or gemstone. Both ancient cultures and modern science have utilized the mysterious qualities of crystals, which have the ability to receive and transmit energy.
If a specific crystal appears in your dream it may therefore be highlighting a particular quality: Amber: balance; Amethyst: spiritual awareness, transmutation, healing; Aquamarine: purification, healing, calming; Bloodstone: courage, physical energy; Calcite: balance, peaceful meditation; Carnelian: sex, self-esteem, creativity; Fluorite: healing, releasing unwanted energies; Hematite: encouraging willpower, concentration; Herkimer diamond: dream recall; Jade: fertility, wisdom, tranquility; Lapis lazuli: communication, healing; Malachite: protection, money; Moonstone: love, psychic awareness, femininity; Obsidian: inner growth, psychic development; Opal: passion, love, and emotional expression; Quartz: change, focus; Red jasper: compassion; Rhodolite: love; Rose quartz: love, compassion; Tiger’s eye: empowerment, willpower, courage, clarity; Topaz: new beginnings; Tourmaline: healing, balance; Turquoise: balance, friendship, positive thinking.