Irons & Stony-Irons

UMin Collection

Samples Transferred to the Smithsonian Institution

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Mesosiderites

A small slice of meteorite with a large amount of silvery metal throughout and dark brown rocky areas. The sample is on a green mat and beside it is the storage label.

Name: Crab Orchard

Classification: Mesosiderite

Locality: Tennessee, USA, 1887 find

Mass at UMin: 55 g

Available for Request: No

Notes: UMin has a single large slice of Estherville. A small amount of material has come loose and could be used for research.

Meteoritical Bulletin Database

A dark brown slice of rock with some silvery metal shining in the light, sat on a green mat next to its storage labels.

Name: Estherville

Classification: Mesosiderite

Locality: Iowa, USA, 1979 fall

Mass at UMin: 1927 g

Available for Request: No (exceptions)

Notes: UMin has a single large slice of Estherville. A small amount of material has come loose and could be used for research.

Meteoritical Bulletin Database

Several slices of meteorite mounted on round glass slides, sat on a green mat next to their storage label. The meteorite is dark in color and has sporadic regions of silvery metal.

Name: Vaca Muerte

Classification: Mesosiderite

Locality: Chile, 1861 find

Mass at UMin: N/A

Available for Request: Yes

Notes: UMin has a several mounts that would be suitable for SEM/EPMA analysis after repolishing and coating.

Meteoritical Bulletin Database

Pallasites

A rounded meteorite with a dark, weathered surface with some large crystals and silvery metal, sat on a green mat with a storage label beside it.

Name: Brenham

Classification: Pallasite, Main Group (anomalous)

Locality: Kansas, USA, 1882 find

Mass at UMin: 2023.5 g

Available for Request: No

Notes: UMin has a single large stone that cannot be cut at this time.

Meteoritical Bulletin Database

Name: NWA 16799

Classification: Pallasite, Main Group

Locality: Algeria, 2024 find

Mass at UMin: 23.7 g

Available for Request: No (currently on loan)

Notes: UMin has a several slices, each containing metal and olivine.

Meteoritical Bulletin Database

Irons

Name: Anoka

Classification: Iron, IAB-sLM

Locality: Minnesota, USA, 1961 find

Mass at UMin: 6940 g

Available for Request: No

Notes: UMin has a large slice that cannot be cut at this time.

Meteoritical Bulletin Database

Name: Arlington

Classification: Iron, IiE-an

Locality: Minnesota, USA, 1961 find

Mass at UMin: NA

Available for Request: No

Notes: UMin has a single piece of Arlington, and the original Arlington specimen was transferred as part of the UNM-USNM agreement.

Meteoritical Bulletin Database

A slice of iron meteorite with abundant silvery metal and round brass-colored sulfides dotted throughout.

Name: Canyon Diablo

Classification: Iron, IAB-MG

Locality: Arizona, USA, 1891 find

Mass at UMin: 2832 g

Available for Request: No

Notes: UMin has a single large slice that cannot be cut at this time.

Meteoritical Bulletin Database

A silvery iron meteorite with a single bronze-colored sulfide spherule.

Name: Coahuila

Classification: Iron, IIAB

Locality: Mexico, 1837 find

Mass at UMin: 1888 g

Available for Request: No

Notes: UMin has a single slice of Coahuila as part of the UNM-USNM agreement.

Meteoritical Bulletin Database

A silvery iron meteorite with rare dark sulfide spherules.

Name: Gibeon

Classification: Iron, IVA

Locality: Namibia, 1836 find

Mass at UMin: 2151.7 g

Available for Request: No

Notes: UMin has a single slice of Gibeon as part of the UNM-USNM agreement.

Meteoritical Bulletin Database

A large meteorite with a dark, metallic surface and a silvery cut face. Large iron-nickel crystals can be seen on the cut surface.

Name: Middle River

Classification: Iron, IAB-MG

Locality: Minnesota, 2023 find

Mass at UMin: TBC

Available for Request: TBC

Notes: Purchased at an estate sale in July 2023 and recognized as a potential meteorite by the buyer.

Meteoritical Bulletin Database

Samples Transferred to the Smithsonian Institution

These samples were transferred to the Smithsonian Institution in the 1960s for storage and display. Although ownership remains with the University of Minnesota, they are not currently at the University and are not available for request at this time.