Among these, one stands out as the rarest of them all: taaffeite. Taaffeite holds the title of the rarest crystal on Earth.

A resinous substance found near the surface. Earth Crystal is a mineral you can get in Stardew Valley. You can forage it in the Mines from levels 1-39, or obtain them from geodes, or loot them ...

By observing the anomalies in the Earth's mantle and comparing them to matter surrounding them, the researchers suggested ...