article_snippet: The substance can then float around undiscovered for years in the water, where The substance hardens and develops into a smooth lump of compact rock which feels waxy and has a sweet smell.
article_snippet: The substance can then float around undiscovered for years in the water, where The substance hardens and develops The substance distinctive odour.
article_snippet: The decades of floating and exposure to sun and salt will then turn the matter into ambergris, a smooth lump of compact rock which feels waxy and has a sweet smell.