Locality	Layer
	Germany, Rhenish Mountains, Essen-Werden, Rudolph mine	G1
	Germany, Rhenish Mountains, Herbede, Zeche Herb. Steinkohlenbergwerk	Hauptflöz
	Germany, Rhenish Mountains, Silschede, railway cut	G1 (Yeadonian)
	Germany, Rhenish Mountains, Unna, Alter Hellweg mine	G1
	Portugal, Southwest Portugal, Choca,300m W of,near Sao Marcos da Serra	Quebradas Fm., unrecorded
	Russian Federation, South Urals,Bashkortostan, Bol'shaya Suren' River, S of Bogdanovsk	sample 2
	Russian Federation, South Urals,Orenburgskaya Obl., Sakmara River, E of Novo-Samarska	Nm2c2
	Russian Federation, South Urals,Orenburgskaya Obl., Utyagulovo	Nm2c2