📒 a small piece of a substance with many even sides, that is formed naturally when the substance becomes solid
📒 a clear mineral, such as quartz, used in making jewellery and attractive objects
📒 glass of very high quality
📒 a small piece of a mineral that some people believe has the power to bring health or happiness
📒 a piece of glass or plastic that covers the face of a watch
📒 a powerful illegal drug, methamphetamine, that looks like small pieces of glass