Marcasite and Calcite from Becke-Oese quarry, Germany

Marcasite and Calcite from Becke-Oese quarry, Hemer, Märkischer Kreis, Arnsberg, North Rhine-Westphalia, Germany

Several nice Marcasite crystals sitting on a bed of calcite crystals from Becke-Oese quarry.

The Calcite here is somewhat fluorescent, with a slight light pink response under 365nm UV and a much better deep pink response under 310nm.

Comes boxed with our ID label.