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Column: Guest Articles

METEORITE OF DRAVEIL, FRANCE – A Summer 2011 Fall

October 1, 2011

METEORITE OF DRAVEIL, FRANCE – A Summer 2011 Fall

METEORITE OF DRAVEIL, FRANCE A Summer 2011 Fall By Alain Carion Translated by Anne Black If someday, someone had told me that I would be going meteorite hunting by taking the Metro, getting off at the station Juvisy on the bank of the river Seine, I would have probably smiled, but that is exactly what [...]

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Extruded Vietnam Indochinite by Sean Murray

August 1, 2011

Extruded Vietnam Indochinite by Sean Murray

Since I have been collecting tektites, I have been intrigued by some of the odd surface features on several of my specimens. I have seen these features described as “impacts,” “bubbles,” and “rings.” But every one I’ve picked up has raised more questions than answers. A few past articles have suggested how these features were [...]

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Column: Guest Articles, Tektite Of The Month

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Northwest Africa 6704……a ‘most intriguing’ New Ungrouped Meteorite

June 1, 2011

Northwest Africa 6704……a ‘most intriguing’ New Ungrouped Meteorite

“Is this a meteorite?” This is the first thought I silently spoke to myself as I examined a particular greenish stone that was devoid of any apparent crust or other telltale signs of being meteoritic. Other than a 2cm ‘patch’ of what appeared to be remnant fusion crust, I could not be certain this rock [...]

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February 1, 2011

2011 Tucson Show Photos & Videos

Tucson Show Photo Pages: Gary Fujihara’s Tucson Pictures Jason Snyder’s Tucson Pictures Russ Finney’s Tucson Pictures Videos by Jim Wooddell by Jim Wooddell by Jim Wooddell by Jim Wooddell by Jim Wooddell by Jim Wooddell

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Column: Guest Articles

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Collecting Near the Source

January 1, 2003

Collecting Near the Source

Conducted by Ron Hartman Department of Earth Sciences & Astronomy Mt. San Antonio College Collecting Near the Source Seventh in a series of introductory topics for the beginning meteorite collector! It stands to reason that the closer to the finder a meteorite can be purchased, the better will be the price.  In theory, this is [...]

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ETCHING IRON METEORITES (or…”The Myth of Nitric Acid”)

November 1, 2002

ETCHING IRON METEORITES (or…”The Myth of Nitric Acid”)

Conducted by Ron Hartman Department of Earth Sciences & Astronomy Mt. San Antonio College Fifth in a series of introductory topics for the beginning meteorite collector! A nickel-iron meteorite having an octahedral crystalline structure is essentially an alloy of consisting of two phases of nickel-iron, kamacite and taenite. (The iron has already become a solid [...]

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Starting and Maintaining Your Meteorite Collection

October 1, 2002

Starting and Maintaining Your Meteorite Collection

Conducted by Ron Hartman Department of Earth Sciences & Astronomy Mt. San Antonio College Starting and Maintaining Your Meteorite Collection Fourth in a series of introductory topics for the beginning meteorite collector!   The focus of a collection can have as many directions as there are collectors. To answer a question or solve a problem, [...]

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September 1, 2002

Update on NWA Meteorite Classifications

Conducted by Ron Hartman Department of Earth Sciences & Astronomy Mt. San Antonio College UPDATE ON NWA METEORITE CLASSIFICATIONS   Two posts of interest relating to this series have been received this month.  The first is from Bob Verish who commented on the occurrence of free silica in meteorites (mentioned here only briefly last month).  [...]

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Some Fundamentals of Common Chondrite Classification

August 1, 2002

Some Fundamentals of Common Chondrite Classification

by Ron Hartman Department of Earth Sciences & Astronomy Mt. San Antonio College Some Fundamentals of Common Chondrite Classification Third in a series of introductory topics for the new meteorite enthusiast! In our last article we discussed the process of authenticating and naming meteorites.  I also suggested that we are experiencing an exciting era where [...]

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A Meteorite by any Other Name…

July 1, 2002

A Meteorite by any Other Name…

by Ron Hartman of Ron Hartman Meteorites A METEORITE BY ANY OTHER NAME… (The second in a series of articles for the beginning collector) What do the names Brownfield (1964), S98175, NWA 860, Taza, Bensour and Oum Rokba all have in common? You’re right, absolutely nothing, but for very different reasons. And, what about those [...]

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AN INTRODUCTION TO METEORITES AND METEORITE COLLECTING

June 1, 2002

AN INTRODUCTION TO METEORITES AND METEORITE COLLECTING

by Ron Hartman of Ron Hartman Meteorites AN INTRODUCTION TO METEORITES AND METEORITE COLLECTING I. PREFACE TO THE SERIES When offered the task of writing a series on meteorites and meteorite collecting for newly interested collectors, and anyone else who May find this series of use to them, I first thought of the two Martian [...]

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