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, Tektite

This bediasite was reportedly found several decades ago, and it tips the scale at 49.2 grams.  It comes via Mr. and Mrs. …

Bilanga, Diogenite

The Bilanga diogenite fell on October 27, 1999 amongst and between the villages of Bilanga-Yanga and Gomposago, in Burkina-Faso.  The fall was …

Blythe Intaglios

These rare geoglyphs were carved into the desert pavement along the Colorado River a mere twenty minutes from what is now the city of Blythe, …

Bishopville, Aubrite

Bishopville is an early American fall that’s rather hard to come by.  We are grateful to Dr. Arnaud Mignan for making the …

Bondoc, Mesosiderite-B4

The story of the Bondoc mesosiderite is a remarkable one. An easy-to-read version can be found here: Al Mitterling’s Nininger Moment #27 …

Allende, CV3.2

Allende is heralded as one of the largest recovered falls of the 20th century, and one of the most scientifically important and …

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 …