noun
- The process or result of a mineral being replaced by another mineral while retaining the original crystal form or external shape.
Usage: mineralogy; geology
Examples
- The geologist identified pseudomorphism in the rock sample where limonite had replaced the original pyrite crystals.
- Pseudomorphism often occurs when mineral-rich fluids alter existing crystals without changing their outward appearance.
- The museum's mineral collection included several examples of pseudomorphism, showing how one mineral can masquerade as another.
- Understanding pseudomorphism is essential for correctly identifying minerals in the field.