Vocabulary What does 岩塩 (がんえん, gan'en) mean? 岩塩 (がんえん, gan'en) means halite; rock salt. Quick factsReadingがんえんRomajigan'enPart of speechnoun 岩塩がんえんgan'enhalite; rock salt1noun halite; rock saltKanji in this word岩rock, boulder塩salt