Ambergris                     

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Context: Forest Department officials seized 8.013 kg of ambergris in Tiruvarur district.

About Ambergris:

• It is used for making perfumes.
• It is produced in the stomach of sperm whales when indigestible parts move into the intestines and bind together.
• They slowly become a solid mass, growing over many years.
• When the animal vomits the mass, it floats a foot below the surface of the sea. Only those with knowledge of it can collect it.

https://www.thehindu.com/news/national/tamil-nadu/ambergris-worth-8-cr-seized-in-tiruvarur/article37155333.ece