Sturdy Quartzite are a node that supply the player with Brittle Quartzite Shards and Sturdy Quartzite Shards. They are primarily found around the upper yard in the Shed Surroundings and Upper Grasslands area. They are finite and don't respawn when harvested. They require a Tier 2 hammer or higher, aka the Insect Hammer or Black Ox Hammer in order to harvest.