It's not only a beautiful addition to your planet surface, it's also a great source of clean water for your people.
Though it forms naturally on some planets, you can build one in the Archaeology Ministry by combining a magnetite glyph with a halite glyph.
At level 1 it provides 4000 water + 4% per Environmental affinity point. Upgrades via halls.
Keywords: Halite Magnetite Natural Resources