Smythite, Baryte
State Route 37 roadcut, Harrodsburg, Monroe County, Indiana, USA
Smythite inclusions in baryte. The large crystal in the center is approximately 2 mm across. John Rakovan photo. Bon, C. E. and Rakovan, J. The morphology and structure of smythite, (Fe,Ni)3S4 from Bloomington, Indiana. In Contributed in Specimen Mineralogy Part 1: 38th Annual Rochester Mineralogical Symposium. Rocks & Minerals 87:171-171.
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