1. 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• Geologists found pseudomorphs where pyrite had been replaced by limonite.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.