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Holbrook

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description Holbrook Overview

Holbrook is an L6 ordinary chondrite meteorite that fell near Holbrook, Arizona, on 19 July 1912. Witnesses observed a fireball and fragmentation, followed by a shower that scattered thousands of mostly small stones across the surrounding area. As an equilibrated ordinary chondrite, its mineral composition was altered by prolonged heating within its parent asteroid, and its many recovered specimens have made it useful to collectors and researchers studying meteorite falls.

help Holbrook FAQ

When did the Holbrook meteorite shower happen?

The Holbrook meteorite shower fell on July 19, 1912 near Holbrook, in Navajo County, Arizona. Witnesses reported a bright fireball and loud detonations before thousands of small stones rained down.

How many individual stones fell at Holbrook?

Estimates put the number of recovered Holbrook stones at roughly 14,000, making it one of the most prolific stone showers ever recorded. The total recovered mass is on the order of a couple of hundred kilograms, with the largest stone around six kilograms.

What type of meteorite is Holbrook?

Holbrook is an L6 ordinary chondrite, an equilibrated stony meteorite from the low-iron chemical group. L6 chondrites like Holbrook have been thermally metamorphosed to the point that their original chondrules are largely integrated into the matrix.

Where can I see Holbrook meteorite specimens?

Major Holbrook stones are held by institutions including the Field Museum in Chicago, the American Museum of Natural History, and Arizona State University's Center for Meteorite Studies. Many smaller fragments remain in private collections around the Southwest.

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