The carbon isotopic composition of Novo Urei diamonds

Details The carbon isotopic composition of Novo Urei diamonds The carbon isotopic composition of Novo Urei diamonds

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993lpi....24..485f&link_type=abstract

In Lunar and Planetary Inst., Twenty-fourth Lunar and Planetary Science Conference. Part 1: A-F p 485-486 (SEE N94-12015 01-91)

Computer Science

Carbon Isotopes, Meteoritic Composition, Meteoritic Diamonds, Size Separation, Crystals, Meteorites, X Ray Diffraction

Scientific paper

The carbon isotopic composition of diamond grains isolated from the Novo Urei meteorite are discussed. A diamond separate was obtained from 2g of whole rock using the chemical treatments described aimed at obtaining very pure diamond. X ray diffraction of the residue, which represented 5000 ppm of the parent mass, indicated only the presence of the desired mineral. The diamond crystals were 1-30 microns in diameter, and some grains had a yellow color. The chemical treatments were followed by a size separation to give a 1-10 microns and a 5-30 microns fraction, which were named DNU-1 and DNU-2, respectively.

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