Specimen Record TC-00045

Specimen Record
TC-00045

Gyarub Zangbo · Pallasite, ungrouped · 324.46 g

This page is the permanent record for the specimen bearing serial TC-00045. 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-00045
Meteorite
Gyarub Zangbo
Classification
Pallasite, ungrouped
Weight
324.46 g
Form
Full slice, etched, epoxy coated both faces
Find location
Xizang, China, 33.126 N, 87.079 E. Found October 2020 by G. Tulga.
Surface
Metal dominant, with olivine in clusters near the margins
Shock stage
Low
Weathering grade
Low

Classification record

Published in
The Meteoritical Bulletin, No. 110 (2022), as Pallasite. Reclassified Pallasite, ungrouped in The Meteoritical Bulletin, No. 114 (2026), Meteoritics & Planetary Science 61, 942 to 946. Name approved 13 March 2021.
Classifier
A. Irving, UWS, and P. Carpenter, WUSL
Type specimen
120 g, including two polished end cuts, at UWB (Burke Museum, University of Washington)
Total known weight
17.61 kg in 102 pieces indexed from the MB 110 entry. The MB 114 writeup states the updated total mass is now more than 200 kg. The Bulletin cautions that its database masses are not authoritative.
Approved count
One of 17 approved meteorites classified as Pallasite, ungrouped, as recorded in the Meteoritical Bulletin database in September 2026.

Provenance

The Meteoritical Bulletin records that the material was purchased by Ziyao Wang in October and November 2020, with the main mass held by him. This specimen was acquired by Treasure Coast Meteorite Co. It is a sister slice to TC-00035. The Bulletin does not document which recovered piece either slice was cut from.

Photographic record

Etched face of Gyarub Zangbo pallasite slice TC-00045, 324.46 g
First face, etched metal with an olivine cluster along one margin.
Reverse face of Gyarub Zangbo pallasite slice TC-00045, 324.46 g
Reverse face, with the olivine cluster on the opposite margin.
Detail of olivine grains in a grey pocket, Gyarub Zangbo TC-00045
Detail of a grey-toned pocket holding olivine grains, bordered by etched metal.
Gyarub Zangbo pallasite slice TC-00045 held edge-on in hand
The slice held edge-on in hand, showing thickness.
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 17 September 2026. Classification data reproduced from the Meteoritical Bulletin entry cited above.
Questions regarding this record may be directed to brian@tcmeteorites.com.