NASA NTRS · 19870049046
Interstellar diamonds in meteorites
Abstract
Primitive meteorites contain up to 400 ppm of a very fine-grained type of carbon tentatively called C-delta. Evidence is presented here that part of all of the C-delta is primary, not shock-produced, diamond formed by stellar condensation as a metastable phase. It appears that interstellar dust contains diamond.
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Lewis, Roy S., Ming, Tang, Wacker, John F., Anders, Edward, Steel, Eric. 1987-03-12. Interstellar diamonds in meteorites. https://ntrs.nasa.gov/citations/19870049046
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