The Treasure of Milos
Obsidian from the island of Milos, found in Franchthi Cave, shows seafaring in Greece began over 11,000 years ago in the Palaeolithic era.
Milos, a Greek island, held a treasure that shaped the early development of human civilization: obsidian, a volcanic glass prized for its sharpness and durability.
Archaeological discoveries of Melian obsidian provide evidence for early seafaring in Greece, demonstrating that Aegean peoples were capable of organized navigation as early as 11,000 years ago.
Obsidian is formed when molten lava cools rapidly, creating a natural glass with a razor-sharp edge.
Obsidian became one of the most sought-after materials of the prehistoric world.
Author's summary: Milos' obsidian shaped human civilization.