Kaolin apparently has a specific gravity of 2.16–2.68, so it doesn't seem to be ...

cinntaile on Aug 19, 2023 | parent | context | favorite | on: 'No-water' hydropower turns England's hills into g...

Kaolin apparently has a specific gravity of 2.16–2.68, so it doesn't seem to be dense enough on its own unless the ratio of kaolin:water is extremely high? Good guess though!