Upon receiving the meteorite, Sirbescu evaluated it and discovered it was an iron-nickel meteorite, composed of 8 to 8.5 percent iron and 11.5 percent nickel.
The Smithsonian Institution in Washington, D.C., corroborated Sirbescu's analysis that the 22-pound "rock" is, indeed, a meteorite, and is apparently the sixth-largest of its type to be discovered in MI.
The man, who has asked to remain anonymous, knew the 22-pound rock came from outer space ever since he bought the house in 1988.
This January, southern MI experienced a meteor flash that showered fragments of space rock all over Livingston County. The farmer and his father recovered it in the morning, digging it free - it was reportedly still warm to the touch when retrieved.
Like the farmer, he just thought it was "cool to look at", and let his children take it to school for show and tell.
The new owner lived on the farm a few years, and when he moved, he took the mystery rock with him.
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He was inspired to have it checked out by the university after a rise in meteorite discoveries in MI.
"A piece of the early solar system literally fell into our hands", Dr Sirbescu said in a video made by the university to promote its discovery.
Now, the space rock, dubbed Edmore meteorite, is waiting to find a permanent home.
Researchers discovered the meteorite has rare metals.
"What typically happens with these at this point is that meteorites can either be sold and shown in a museum or sold to collectors and sellers looking to make a profit", Sirbescu said.
The Smithsonian Institution and a museum in ME are interested in purchasing the meteorite to put on display.
The owner promised to give 10 percent of the sale value to CMU.