Marcasite
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Marcasite, 3.5 cm, from the Ziegler mine, near Sparta, Randolph County, Illinois. Illustrated in Minerals: The Collector’s Newspaper (2014), and Mineral Collections in Arizona-II (2020). Ex Dave Bunk; Jeff Scovil photo.
Product details
Species
SizeMiniature
Dimensions3.4 cm
Added on02/13/2026
Publications
- Mineralogical Record Refined Elegance page 154
- Mineralogical Record Mineral Collections In Arizona page 158
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Mineral guide
Learn about Marcasite
orthorhombic dimorph of pyrite with cockscomb blade clusters, metallic luster and iridescent tarnish; prized for sculptural form yet requires caref…Regional guide
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