Richardton meteorite
The Richardton meteorite is a H5 Ordinary chondrite that was seen to fall at 21:48 on 30 June 1918 between Mott, North Dakota and Richardton, North Dakota, United States. Pieces were found in a strewn field of about by centred on and oriented north–south. pieces of this meteorite were for sale online at up to /g. In 1960 John Reynolds discovered that the Richardton meteorite had an excess of Xe, a result of the presence of I in the solar nebula.