September 2018

A Pair of Numbered Allende Meteorites: True Appreciation May Take Time

By | | Accretion Desk

Too many years ago to remember, I stumbled on some Allende individuals at the Tucson Show. Hardly a solid find given the quantity and distribution of Allende meteorite samples. In fact, I recall hesitating about purchasing the individuals, but my weakness for numbered specimens with matching cards carried me through. In the end I purchased two of the kits. Each

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Moving a Collection

By | | Jim's Fragments

Have not been doing much meteorite related work for the last two months. I did cut several stones for a friend and they were interesting and rare types which always is exciting. I have gotten a couple updates from the lab where I have an amazing stone being classified. I think that work will be completed soon and it submitted

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Allende CV3

By | | Micro Visions

A friend says a person can never have enough Allende thin sections. It’s easy to see why. Here I offer thirteen photos without comment other than that all but the first are from a single slide and that all but the last have a field of view 3.1mm wide. That last has a FOV one half millimeter wide.    

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Norm’s Tektite Teasers: (Part two of three): Philippinites: The Classics

By | | Norm's Tektite Teasers

In the last edition, I commenced a series on the tektite “classics”, the essential specimens required to anchor a basic Australasian collection. Splashform dumbbells, teardrops, patties, bars, biscuits, spheroids, and endless plastically deformed oddities reign supreme in the impact-proximal regions of mainland Southeast Asia. Muong Nong-type layered tektites found at scattered localities within this domain provide one of the best

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Thin-section Analysis of the Legendary Longstreet Meteorite at Albion College

By | | Guest Articles

Nicolle Zellner1 and Marci Howdyshell2 1* Department of Physics, Albion College, Albion, MI, USA 49224, nzellner@albion.edu 2 Department of Physics, Albion College, Albion, MI USA 49224, marci.howdyshell@gmail.com * To whom correspondence should be addressed Summary The Longstreet Meteorite, a showcase of Albion College’s rock collection for almost 70 years, has been investigated. Analyses of its exterior and of thin sections

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