How does Globe of Invulnerability interact with an item like Staff of Thunder ?

@JeremyECrawford How does Globe of Invulnerability interact w/ an item like Staff of Thunder & Lightning? Globe blocks item properties or no

— (((DanDanFielding))) (@DMdandanfieldng) November 7, 2016

Globe of invulnerability works against spells. If a magic item property doesn't involve a spell, the globe does nothing to it. #DnD https://t.co/7AvapyFbXI

— Jeremy Crawford (@JeremyECrawford) November 7, 2016