Obsidian

A volcanic glass that forms when lava cools rapidly.
Overview
Obsidian is a mineral found in the 


Its main documented use is in tailoring: placing Obsidian in the spool of the 
Because it comes from two different geode types, Obsidian is most often obtained by processing geodes rather than by direct gathering. The Omni Geode is especially useful for finding a wide range of minerals, while the Magma Geode is tied to deeper mining progress. If Sebastian is the player’s spouse, his occasional gift can also provide a convenient extra source.
- Found in Magma Geodes and Omni Geodes
- Occasionally gifted by Sebastian when married to him
- Used in the Sewing Machine to make the Studded Vest
Official description
A volcanic glass that forms when lava cools rapidly.