A Nether Portal is a game object in the Minecraft survival sandbox game. It's a manufactured obsidian structure that enables players to pass between Nether and Overworld dimensions. Those portals produce very distinctive whimpering and crying noises and release purple particles or sparkles, that look like purple dust. These Nether Portals open doors to a frightening area with existing and new blocks and creatures. Minecraft cursor with Nether Portal.
