natural crystals define?
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Natural mineral specimens and crystals are found in the environment in their natural state and collected off the surface of the ground or are obtained through physical digging and mining. Natural crystals and specimens are not cut or polished. Total Items: 102.
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A crystal is a solid whose molecules (or atoms) are arranged in a repeating pattern. ... Usually the fluid is a liquid but snow is crystals precipitated from air. Crystallization can be by freezing from a simple fluid or from a solution. Sometimes heat and pressure needs to be applied to a substance for crystals to form.
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