They all have a link to the periodic table, which turned 150 in 2019 ... It also makes extremely beautiful geometric crystals if you melt it down, then cool it really slowly.

University of St Andrews Early periodic table chart from around 1879 recently discovered at the University of St Andrews This has made it "quite whole and beautiful", he says. "At the moment ...

The periodic table captures a subtle pattern that runs ... As you hit the eighth note, something beautiful happens – a note hangs in the air that embodies something of the first.