Yes, you can find shiny Roggenrola in Pokémon Go
Source:https://www.polygon.com/pokemon-go-guide/24180267/can-roggenrola-be-shiny-boldore-gigalithYes, you can find shiny Roggenrola in Pokémon Go
Source:https://www.polygon.com/pokemon-go-guide/24180267/can-roggenrola-be-shiny-boldore-gigalith