Glass is as old as Earth, back when the planet was no more than a fury of thermo-electro-chemical clashes as the solar system took form and Mother Nature’s elements grabbed their chairs and tucked into their seats at the periodic table.
The world’s first glass was untouched by the hand of man, naturally produced, either from the tectonic maelstrom of volcanic activity that resulted in obsidian, or from the heavens when a billion volts of lightning exploded and flash-melted silica-rich sand to leave bizarre multifurcated sculptures.