Steven can fuse with pure gems and humans, because his body is half human. When he infuses with Connie, Stevonnie doesn’t turn into light, there is only light where they split. When Steven infuses from Smoky Quartz, Amethyst turns into light, but Steven does not.
When you call a dead phone does it ring?
Answer: A: With a dead battery it should not ring but it should go to voicemail directly.