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a quartz that is clear with many solid sides formed when a substance is solidified in nature
What is "crystal"?
Crystal is a type of quartz mineral that forms naturally in many different geological environments. It has a unique molecular structure that gives it its characteristic shape and color and is valued for its aesthetic beauty and metaphysical properties. Crystals can be found in a variety of forms, from small clusters to large geodes, and can be used in a variety of ways such as for healing, meditation, or decoration. Different types of crystals are believed to have different energy and healing properties and are used by many people around the world to enhance their well-being and spiritual practices.
any solid substance that has a symmetrical structure of atoms and molecules
a protective cover that protects the face of a watch
glassware made of quartz
colorless glass made of almost pure silica