Achondrites

UMin Collection

Samples Transferred to the Smithsonian Institution

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HEDs

Name: Ilizi 002

Classification: Cumulate eucrite

Locality: Algeria, 2024 find

Mass at UMin: 21.3 g

Available for Request: no (exceptions)

Notes: UMin has two small pieces and polished resin mount suitable for SEM/EPMA. This sample is only available for non-destructive material requests.

Meteoritical Bulletin Database

Slices of meteorite with black impact melt surrounding large clasts of pale grey rock.

Backscattered electron image showing basaltic clasts in a fine-grained impact melt.

Name: NWA 16311

Classification: Eucrite melt breccia

Locality: Morocco, 2023 find

Mass at UMin: 88.6 g

Available for Request: Yes

Notes: UMin has several slices and polished resin mount suitable for SEM/EPMA. This sample appears to be monomict.

Meteoritical Bulletin Database

A slice of a meteorite with a fine-grained texture of white and blue-grey crystals, with orange staining from rusted metal.

Backscattered electron image with large dark grey plagioclase crystals and light grey pyroxene crystals.

Name: NWA 16312

Classification: Eucrite

Locality: Algeria, 2023 find

Mass at UMin: 74.9 g

Available for Request: Yes

Notes: UMin has a single slice and polished resin mount suitable for SEM/EPMA. This sample contains fayalite veins.

Meteoritical Bulletin Database

A small slice of meteorite with a patchy beige and dark grey surface.

Name: NWA 16316

Classification: Eucrite

Locality: Mauritania, 2023 find

Mass at UMin: 26.9 g

Available for Request: Yes

Notes: UMin has two slices. This sample is highly recrystallized with large granulitic areas.

Meteoritical Bulletin Database

An angular stone with a weathered brown exterior and a grey interior, with veins of black impact melt cutting across the sample.

Backscattered electron image of equally-sized dark grey plagioclase and light grey pyroxene, with a band of paler impact melt at the edge of the sample.

Name: NWA 16797

Classification: Eucrite

Locality: Morocco, 2024 find

Mass at UMin: 39.1 g

Available for Request: Yes

Notes: UMin has one cut stone and a polished mount suitable for SEM/EPMA. This sample has abundant melt veining.

Meteoritical Bulletin Database

Name: NWA 16796

Classification: Howardite

Locality: Algeria, 2022 find

Mass at UMin: 20.3 g

Available for Request: No

Notes: UMin has one cut stone and a polished mount suitable for SEM/EPMA. Lack of material above the type specimen mass requirements limits requests for this sample.

Meteoritical Bulletin Database

A rough stone with a weathered orange crust. The interior shows tabular white and dark grey crystals and plagioclase and pyroxene.

Backscattered electron image showing well-formed dark grey plagioclase and light grey pyroxene. Some areas have smaller crystals.

Name: NWA 16804

Classification: Eucrite

Locality: Morocco, 2024 find

Mass at UMin: 23.1 g

Available for Request: Yes

Notes: UMin has one cut stone and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Slices of a very weathered meteorite, with a dark orange appearance and large black crystals of pyroxene.

Backscattered electron image of large, fragmented pyroxene crystals with angular white chromite grains.

Name: NWA 17059

Classification: Diogenite

Locality: Algeria, 2024 find

Mass at UMin: 35.3 g

Available for Request: Yes

Notes: UMin has several slices and a polished mount suitable for SEM/EPMA. This sample is a monomict fragmental breccias with large chromite grains.

Meteoritical Bulletin Database

A smooth dark stone with a shiny desert varnish.

Backscattered electron image of three small pieces of meteorite showing dark grey plagioclase and light grey pyroxene with a wide range of grain sizes.

Name: NWA 17067

Classification: Eucrite breccia

Locality: Algeria, 2023 find

Mass at UMin: 41.1 g

Available for Request: Yes

Notes: UMin has a single stone and a polished mount suitable for SEM/EPMA. This sample contains two basaltic lithologies.

Meteoritical Bulletin Database

Photograph of the cut face of a diogenite meteorite with large green crystals.

Backscattered electron image showing dark grey pyroxene with round crystals of light grey olivine. White grains of chromite are sporadically dispersed throughout.

Name: NWA 17068

Classification: Diogenite, olivine-bearing

Locality: Algeria, 2023 find

Mass at UMin: 58.9 g

Available for Request: No (currently on loan)

Notes: UMin has a single stone and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Several slices of a dark grey meteorite with rounded clasts.

Backscattered electron image showing a fragmental texture of dark grey plagioclase and mid to light grey pyroxene.

Name: NWA 17274

Classification: Eucrite, polymict breccia

Locality: Western Sahara, 2024 find

Mass at UMin: 21.3 g

Available for Request: No (with exceptions)

Notes: UMin has several small slices and and a polished mount suitable for SEM/EPMA. Lack of material above type specimen requirements restricts this sample to non-destructive techniques only.

Meteoritical Bulletin Database

A sliced meteorite with a dark grey interior made of impact melt and light grey to beige angular clasts.

Backscattered electron image of irregular fragments of dark grey plagioclase and mid to light pyroxene.

Name: NWA 17275

Classification: Eucrite, polymict breccia

Locality: Algeria, 2024 find

Mass at UMin: 29.7 g

Available for Request: Yes

Notes: UMin has a single slice and and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Name: NWA 18048

Classification: Eucrite, polymict breccia

Locality: Mali, 2024 find

Mass at UMin: 98.7 g

Available for Request: Yes

Notes: UMin has a large single slice and and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database TBC

Martians

Name: NWA 17510

Classification: Shergottite, basaltic

Locality: Algeria, 2024 find

Mass at UMin: 27 g

Available for Request: Yes

Notes: UMin has a single slice and and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Name: Stardust Mine

Classification: Shergottite, basaltic/gabbroic

Locality: Arizona, USA, 2024 find

Mass at UMin: 23.8 g

Available for Request: No (exceptions, currently on loan)

Notes: UMin has a single slice and and two polished mount suitable for SEM/EPMA. Lack of material above the type specimen requirements restricts material requests to non-destructive projects.

Meteoritical Bulletin Database

Lunars

Name: NEA 075

Classification: Fragmental breccia

Locality: Sudan, 2024 find

Mass at UMin: 7.6 g

Available for Request: No

Notes: UMin has a single slice and and two polished mount suitable for SEM/EPMA. Lack of material above the type specimen requirements restricts material requests to non-destructive projects.

Meteoritical Bulletin Database

Name: NWA 16315

Classification: Melt breccia

Locality: Mauritania, 2023 find

Mass at UMin: 25 g

Available for Request: Yes

Notes: UMin has a single slice and aapolished mount suitable for SEM/EPMA. This sample as elongate tear-dropped shape vesicles in the impact melt.

Meteoritical Bulletin Database

Name: NWA 17060

Classification: Melt breccia

Locality: Mauritania, 2023 find

Mass at UMin: 21.7 g

Available for Request: No (exceptions)

Notes: UMin has several small slices and a polished mount suitable for SEM/EPMA. Lack of material above the type specimen mas requirements restricts material requests for this sample to non-destructive projects.

Meteoritical Bulletin Database

Name: NWA 17061

Classification: Melt breccia

Locality: Western Sahara, 2023 find

Mass at UMin: 29 g

Available for Request: Yes

Notes: UMin has two slices and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Name: NWA 17270

Classification: Melt breccia

Locality: Algeria, 2024 find

Mass at UMin: 16.6 g

Available for Request: No (exceptions)

Notes: UMin has two slices and a polished mount suitable for SEM/EPMA. This sample is heavily weathered. Lack of material above the type specimen mass requirements limits requests for material to non-destructive projects.

Meteoritical Bulletin Database

Name: NWA 17271

Classification: Feldspathic breccia

Locality: Algeria, 2024 find

Mass at UMin: 21.2 g

Available for Request: No (exceptions)

Notes: UMin has one slice and a polished mount suitable for SEM/EPMA. Lack of material above the type specimen mass requirements limits requests for material to non-destructive projects.

Meteoritical Bulletin Database

Name: NWA 17276

Classification: Melt breccia

Locality: Mali, 2024 find

Mass at UMin: 22 g

Available for Request: No (exceptions)

Notes: UMin has one slice and a polished mount suitable for SEM/EPMA. Lack of material above the type specimen mass requirements limits requests for material to non-destructive projects.

Meteoritical Bulletin Database

Name: Timétrine 001

Classification: Melt breccia

Locality: Western Sahara, 2023 find

Mass at UMin: 27.4 g

Available for Request: Yes

Notes: UMin has a small collection of pieces and a polished mount suitable for SEM/EPMA.

Meteoritical Bulletin Database

Ureilites

Name: NWA 17786

Classification: Ureilite

Locality: Western Sahara, 2024 find

Mass at UMin: 22.3 g

Available for Request: No (exceptions)

Notes: UMin has a small collection of pieces and a polished mount suitable for SEM/EPMA. Lack of material above the type specimen mass requirements limits requests for material to non-destructive projects.

Meteoritical Bulletin Database

Ungrouped Achondrites

Name: Erg Chech 002

Classification: Achondrite, ungrouped

Locality: Algeria, 2020 find

Mass at UMin: 50.5 g

Available for Request: Yes

Notes: UMin has a single slice.

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.

Name: Bishopville

Classification: Aubrite

Locality: S. Carolina, USA, 1843 fall

Meteoritical Bulletin Database

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