Section 1 – Pallasite Meteorite, Imilac

Section 1 – Pallasite Meteorite, Imilac

Section 1 – Pallasite Meteorite, Imilac The illuminated slab of iron and olivine is the 408 g pallasite meteorite, Imilac, recovered 1822 in the Atacama Desert, Chile. It was acquired from the collection of Joachim Karl. This slab was cut from a meteorite that...
Section 2 – Iron Meteorite, Tamarugal

Section 2 – Iron Meteorite, Tamarugal

Section 2 – Iron Meteorite, Tamarugal Tamarugal, IIIAB, 8.4 kg. This is a large slice of a 320 kg iron meteorite found in Tarapaca, Chile, in 1903. Iron meteorites are composed primarily of alloys of iron and nickel, formed in the cores of parent bodies that...
Section 3 – Stony Meteorite, Farmington

Section 3 – Stony Meteorite, Farmington

Section 3 – Stony Meteorite, Farmington Farmington L5, 2.4 kg. This is an unusually large example of a stony meteorite, an “ordinary chondrite,” seen to fall in Washington County, Kansas, on June 25, 1890. In this polished slab one can see flecks of metallic...
Section 4 – Preparing the Samples

Section 4 – Preparing the Samples

Section 4 – Preparing the Samples The first task in cataloguing the spectra of pure samples was to prepare the samples themselves. Material was obtained from commercial chemical dealers (see tubes and envelopes, above) and then prepared in platinum vessels...
Section 5 – Spectra Plates

Section 5 – Spectra Plates

Section 5 – Spectra Plates The spectra were photographed on glass plates, as seen here. Note the relatively small size of the plates; they were measured with the large microscope measuring machine located in the northeast corner of this room. Area 3 Group 1 •...