Source, please?
FReepmail is OK, this is in earnest.
I’d have to duckduckgo.com it.
And you’d have to be discerning.
Sometime after the phenomenon started appearing in such circles, charlatans started faking it.
But I’ve known very solid persons who were in such meetings—personal friends—and there was/is a reality from God. I don’t know if it’s still going on, or not.
I’d search the string:
“gold dust and/or feathers appearing suddenly in Pentecostal/ charismatic services.”