James Ballantyne and Ferdinand Frédéric Henri Moissan reported early attemps to manufacture diamonds: heating charcoal to temperatures above 3500°F, with iron, inside a crucible furnace followed by rapid cooling

Previous PostMoissan focused on the idea aGer the discovery of small diamonds in a meteorite crater in Arizona. He believed he had discovered a new way to grow diamonds, but he had actually created a new material made of silicon carbide, named MOISSANITE aGer him.