Greisen
7 lettersnounrareUpdated June 2026
Definition
A coarse-grained metamorphic rock composed chiefly of quartz and mica, formed by the hydrothermal alteration of granite.
“Deposits of greisen in the region were associated with nearby tin and tungsten mineralisation.”
Pronunciation
Syllables
grei·sen
Word Game Tips
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Wordle
Ends in -ISEN, a very unusual pattern, contains no repeated letters making it useful for elimination
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Scrabble
Worth 8 points, a specialist geological term that opponents are unlikely to challenge
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