+Obsidian is a naturally occurring [Volcanic Glass](/wiki/volcanic_glass), formed from rapidly cooling [Lava](/wiki/lava). This dark, lustrous material, known for its extremely sharp edges, has been prized for tools, weapons, and ornaments since ancient times.
+## See also
+- [Igneous Rock](/wiki/igneous_rock)
+- [Stone Age](/wiki/stone_age)
+- [Gemstone](/wiki/gemstone)
... 1 more lines