noun
- minerals that have replaced other minerals while retaining the original crystal form
Usage: geology; mineralogy
Examples
- The museum displayed several pseudomorphs of quartz after fluorite.
- Geologists found pseudomorphs where pyrite had been replaced by limonite.
- These pseudomorphs show the original cubic crystal structure despite being composed of different minerals.
- The collection included pseudomorphs of malachite after azurite.
- Students learned to identify pseudomorphs by their mismatched crystal forms and compositions.
- The pseudomorphs retained the hexagonal shape of the original beryl crystals.