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Guest Articles

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

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

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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Update on NWA Meteorite Classifications

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

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…

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

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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