Himalayan salt lamps come in three main varieties. The first is a chunk of salt crystal with a space cut out for a light bulb and fitted for a base. Another type is a bowl composed of metal, wire, or Himalayan salt crystals filled with small salt rocks. A light bulb fits underneath the bowl so that the light shines between the crystals when the lamp is on. Manufacturers also shape crystals into blocks, pyramids, tea-light candle holders, and other shapes.
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