Possibly not what you're after, but I recently found out about Ambergris (https://en.wikipedia.org/wiki/Ambergris)and https://en.wikipedia.org/wiki/Ambergris)an

Possibly not what you're after, but I recently found out about Ambergris (https://en.wikipedia.org/wiki/Ambergris)and https://en.wikipedia.org/wiki/Ambergris)and gather there's a fair few other substances prized and explicitly collected by fragrance companies.