Aldama (a), IIIAB
Meteoritical Bulletin entry for Aldama (a). The iron’s medium-octahedral structure has been partly recrystallized by natural or artificial reheating, followed by rapid …
American Meteorite Laboratory Set
This lot of three specimens came from an estate sale in a small town in Southern Alaska. They were kept safely in …
Aba Panu, L3.6-6
In the afternoon of April 19, 2018, a flash of light and deafening roar startled the residents of Southwestern Nigeria. There were …
Astoria, IIIAB
This IIIAB from South Dakota isn’t quite official yet. The total known weight was ~24 kilograms. The ~2 kilogram end-cut that was taken …
Aiquile, H5
On November 20, 2016, a bright daytime fireball split the sky above Aiquile, Bolivia. A local named Hugo Cardona quickly snagged a …
What are CAIs?
CAIs. Calcium aluminum inclusions. What’s so special about them and why do we talk about them so much? Well, many people talk …
chondrite classification
From the chondrite information page, the petrographic classification scheme works kind of like this: completely altered by water into clay (no known …
Australite, Tektite
At 6.1 grams, this is one of the larger complete examples I have seen. It exhibits wonderful contraction cracking and a very …
Arispe, Mexico
Here are some photos from a 2003 expedition to Arispe. Unfortunately, we didn’t find any meteorites, but it was a memorable trip …
Bediasite Tektites
This bediasite was reportedly found several decades ago, and it tips the scale at 49.2 grams. It comes via Mr. and Mrs. …