Marcasite
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Marcasite stalactites, 19.9 cm, from the Conco mine, North Aurora, Kane County, Illinois. Jeff Scovil photo.
Product details
Species
SizeLarge Cabinet
Dimensions19.9 cm
Added on02/13/2026
Publications
- Mineralogical Record Mineral Collections In California page 224
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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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