How much was Niger investigating in the sale of the largest Mars rock?

The investigation concerning the sale of the largest Mars rock, known as the "Tissint meteorite," involved an amount of $5 million. This astronomical figure reflects both the geological significance of the meteorite and the implications of its sale, which raised concerns about potential illegal activities and the preservation of scientific heritage. The investigation highlights the complexities and challenges associated with extraterrestrial materials, particularly regarding ownership, trade, and ethical considerations surrounding unique geological specimens. The precise amount tied to the investigation underscores the high value placed on such rare meteorites within both the scientific community and international markets.