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How hard can it be to make a gemstone? Plenty hard. People have been trying for almost 2,000 years, but success finally beckoned in 19th-century France. https://www.sciencehistory.org/distillations/making-gemstones
How hard can it be to make a gemstone? Plenty hard. People have been trying for almost 2,000 years, but success finally beckoned in 19th-century France. https://www.sciencehistory.org/distillations/making-gemstones