pegmatitic
/ˌpɛɡməˈtɪtɪk/
adjective
- Relating to or having the characteristics of pegmatite, especially having very large crystals.
- The pegmatitic texture of the rock made it easy to identify in the field.
- The geologist described the sample as pegmatitic because of its unusually large feldspar crystals.
- This region is known for its pegmatitic veins that contain rare minerals.