Calcite on Dolomite
Availability: 1 in stock
A textbook example of a 4cm stout prismatic twinwith a sister crystal nestled on a flat calcareous matrix coated by dolomite on the display side and micro-calcites on the other. Point of contact was the bottom of the main crystal. Ex Jim and Paula Wilson.
Locality: Logansport, Cass County, Indiana
Composition: calcium carbonate