A new study finds that Clovis-era quartz crystal points, despite being harder to knap than chert or obsidian, were functionally similar to other stone tools. Researchers analyzed 58 artifacts and ...
The earliest hunter-gatherers in the Americas were expert stone knappers, and fashioned a variety of tools and weapons out of ...
Mislabeled, lab-grown, and made from plastic—fakes abound in the crystals industry. Who’s going to do anything about it? By Maddie Stone Published Sep 12, 2023 9:00 AM EDT Add Popular Science (opens ...