What does "pegmatite" mean?
Pegmatite: (a) Graphic granite. See under Granite. (b) More generally, a coarse granite occurring as vein material in other rocks.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00