The lack of benchmark data on the real minerals, native ammonium carriers in Solar System gives rise to controversial opinions on extraterrestrial ammonium reservoirs.
![The crystal structure of nickeloan boussingaultite from Orgueil. Isolated octahedra [(Mg,Ni)(H2O)6] 2+ (turquoise), sulfate tetrahedra, (SO4) 2- (yellow) and ammonium tetrahedra, NH4 + (small blue) cross-linked by a network of hydrogen bonds (dashed lines). -- astro-ph.EP](https://i0.wp.com/astrobiology.com/wp-content/uploads/2024/08/Meteoritic-Tutton-Salt.png?resize=1200%2C718&ssl=1)
The lack of benchmark data on the real minerals, native ammonium carriers in Solar System gives rise to controversial opinions on extraterrestrial ammonium reservoirs.