Locality Layer
Germany, Rhenish Mountains, Herbede, Lothringen mine G1
Poland, Lublin Coal Basin, Deblin 6 borehole G1, 2018-2013 m
Poland, Lublin Coal Basin, Niedrzwica 2 borehole G2
Poland, Lublin Coal Basin, Niedrzwica 3 borehole G2
Poland, Lublin Coal Basin, Niedrzwica 3 borehole R2
Poland, Lublin Coal Basin, Opole Lub. 5 borehole G1
Poland, Lublin Coal Basin, Swidnik 6 borehole G2, 1227-1233 m