| Crystal, is natural quartz-crystalloid. Pure crystal, usually in hexagon-column form, is flawless, achromatic, shining and is able to refract spectral colors under sunshine. Crystals in large blocks are rarely found in nature, and most of them are artificial. Achromatic quartz crystal under 2000 degrees centigrade's heat can crystallize into tran***rent crystalloid, which, through cutting and polishing, can be turned into high-level craftworks. Crystal craftwork, owning to its nobleness, elegant ***rkling quality, is an ideal gift. |
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