Specimen Record TC-00012

Specimen Record
TC-00012

Guemar 002 · Lunar (basalt) · 45.92 g

This page is the permanent record for the specimen bearing serial TC-00012. It is issued by Treasure Coast Meteorite Co. as a reference for present and future owners. The photographs below show this specific specimen and are the primary means of verifying it.

Identification

Serial
TC-00012
Meteorite
Guemar 002
Classification
Lunar (basalt)
Petrologic type
Unbrecciated basalt, sub-ophitic texture with shock melt pockets
Weight
45.92 g
Form
Complete individual, oriented
Find location
El-Alia, Touggurt Province, Algeria
Surface
Fresh fusion crust
Shock stage
Moderate to strong, M-S5
Weathering grade
Low

Classification record

Published in
Meteoritical Bulletin, MB 114 (2026)
Classifier
V. Mugica, D. Sheikh and M. Hutson, Cascadia Meteorite Laboratory, Portland State University
Type specimen
20.1 g held at the Cascadia Meteorite Laboratory, laboratory number CML 1816
Total known weight
195.61 g in four stones
Approved count
One of 33 approved meteorites classified as Lunar (basalt), as recorded in the Meteoritical Bulletin database in August 2026

Provenance

Guemar 002 was found on 10 February 2023 by desert nomads at El-Alia in Touggurt Province, Algeria. Four gray oriented individual stones totalling 195.61 grams were recovered together, all retaining fresh fusion crust. The stones passed through several dealers in Africa and were purchased as a lot by Jared Collins on 19 September 2024. The meteorite was classified by V. Mugica, D. Sheikh and M. Hutson at the Cascadia Meteorite Laboratory, Portland State University, and published in the Meteoritical Bulletin, MB 114. The Bulletin records this 45.92 gram stone as held by Brian McDonald of Treasure Coast Meteorite Co., IMCA Member #3323. It is offered as a classified specimen.

Photographic record

Guemar 002 lunar basalt complete individual, 45.92g, oriented stone with black fusion crust on white background, specimen record TC-00012
Complete oriented individual with fusion crust.
Guemar 002 lunar basalt individual, 45.92g, shown in display case with titanium scale cube, specimen record TC-00012
In display case with scale cube.
Side view of the Guemar 002 lunar basalt individual, 45.92g, with scale cube, specimen record TC-00012
Side view with scale cube.
Alternate view of the Guemar 002 lunar basalt individual, 45.92g, showing crust and surface detail, specimen record TC-00012
Alternate view showing crust and surface detail.
On verification. The serial number on the accompanying certificate card is an index to this record. The photographs above and the stated weight are what identify this specimen. Meteorite surfaces, clast patterns and cut faces are individual to each stone, so a specimen can be compared directly against these images and weighed against the figure recorded here to two decimal places.
Record issued by Treasure Coast Meteorite Co., IMCA Member #3323, Hobe Sound, Florida.
Issued 11 August 2026. Classification data reproduced from the Meteoritical Bulletin entry cited above.
Questions regarding this record may be directed to brian@tcmeteorites.com.