These lamps are made from giant quartz crystals, carved out at the base to have a space for a small light. They are about 12" to 20" tall and perhaps 6" or more wide. I felt pretty mixed about seeing them: as a grouping, it was attractive. But it does seem somehow soooo "commercial" to have descrated the crystals this way. Hmmmm.
The geode of Pulpí is an 11-meter hollow ovoid with crystal-paneled walls. This incredible natural space is the Geode of Pulpí, the closest thing in real life to Superman's Fortress of Solitude: an amazing egg-shaped cavern where jagged shards of brilliant