Monthly Archives: February 2018

The Duke of Devonshire Emerald

The Duke of Devonshire Emerald is one of the largest and most famous uncut emeralds in the world, weighing an incredible 1383 carats. It is in the collection of the British Natural History Museum. It is a hexagonal crystal, approx 5cm by 5cm. It was discovered in the early 19th century in Muzo, Colombia. Around that time, […]