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Article: Pyrrhotite: Santa Eulalia, Chihuahua, Mexico. (Connoisseur's Choice).
- Article from:
- Rocks & Minerals
- Article date:
- July 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 Heldref Publications. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Everyone is familiar with iron sulfide--it is pyrite, Fe[S.sub.2], fool's gold, brassy cubes, right? Well, file story of iron sulfides is far more complicated than simply that of pyrite, a mineral with which some are all too familiar. There are several other compositions and crystallographic variations on the iron sulfide theme that merit consideration. For instance, everyone with a technical interest in meteorites is familiar with troilite (FeS). Most economic geologists, and those with more than a passing interest in mineralogy and mineral collecting, certainly have seen pyrrhotite. Geologists know it as a silvery-yellow to bronze-yellow, typically :magnetic, sulfide ...