Goblin Folklore and the Mystery of crystal
A goblin temporally-displaced from 1998 was asked about crystal and replied, 'oh, that. We had a name for it back then, but it was rude.'
Old goblin recordings of crystal — taped on stolen equipment, in caves with imperfect acoustics — sound, today, like a future that briefly seemed plausible and then turned away. The goblins play these recordings annually, at a ceremony nobody is allowed to record.
Goblin Periphery: blueprint
Across the goblin warrens, blueprint is one of a small handful of phenomena around which entirely separate goblin communities, with no contact between them, have independently developed remarkably similar superstitions. The goblin folklorists are intrigued.
The Goblin Verdict on crystal
The goblin Cabinet of Curiosities has accepted crystal for its permanent collection, where it joins seven other things the curators are reasonably sure are real, and one thing they are no longer sure about.