What are some of the largest crystals in the world?
By 
Mason Wakley2026-02-19T14:53:00
From copper sulfate to quartz we look at six of the biggest crystals out there
David Boyce and his class at Queenswood school in the UK are growing what they’re calling the world’s largest single crystal of copper sulfate. The crystal weighs around 3kg so far and has taken over a year to grow. But what are some other record-busting crystals found in the world?