七番目の鉱石 is a 詩歌作品 work by 颯木あやこ associated with the 2016 受賞 record. The entry summarizes the work from award records and bibliographic checks, focusing on its subject, publication status, and reading context.

七番目の鉱石 by 颯木あやこ is a work whose subject and publication status can be traced through award and bibliographic records.