Locality Layer
Germany, Rhenish Mountains, Albringhausen, Neu-Wülfingsburg pit G1
Germany, Rhenish Mountains, Essen-Kupferdreh, brickpit Adler pit Westfal A1
Germany, Rhenish Mountains, Herbede, Lothringen mine G1
Germany, Rhenish Mountains, Unna, Alter Hellweg mine G1