Galena on Calcite Treece Galena on Dolomite Treece

Galena on Calcite - Mid-Continent Mine, 4.0cm x 5.8cm
Galena on Dolomite - Mid-Continent Mine, Former collection of Frank Knechtel, 8.0cm x 7.5cm

Gypsum Ellis Co.

Gypsum - Former collection of Joe McIntosh, 9.0cm x 3.2cm

Bob Weaver

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