noun
- a small cavity in rock or mineral, often lined with crystals
Usage: geology
Examples
- The geologist discovered a beautiful vugh filled with quartz crystals.
- Miners often find valuable minerals growing inside a vugh.
- The limestone contained several small vughs lined with calcite.
- Water had dissolved the rock to form a crystal-lined vugh.
- The specimen showed a perfect vugh with amethyst formations.
- Collectors prize rocks with natural vughs containing rare minerals.