At $24,000 per pound this sperm whale grease is 16 times more valuable than gold
It is mysteriously called ‘ambergris’. It is very rare hence its value. It is also called ‘ambergrease’ or ‘grey amber’. It is solid, waxy and flammable and it resides in 1-5% of the digestive tracts of sperm whales. It is formed by the secretion of …