Relationship to other species: It is the Pb-, [Fe.sup.3+]-, V[O.sub.4]- dominant member of the brackebuschite group and, therefore, the [Fe.sup.3+]-dominant analogue of brackebuschite and the Pb-dominant analogue of gamagarite.
(2003) Calderonite, a new lead-iron-vanadate of the brackebuschite group.
Relationship to other species: It is a member of the brackebuschite
group, specifically the Pb-, Al-, P[O.sub.4]-, V[O.sub.4]-dominant member.
Associated minerals are: manganite, quartz, barite, ankerite, mottramite barian brackebuschite
and cuprian-cobaltoan pyrobelonite.
, cassiterite (formerly (needle tin), cylindrite, Ichucolla) franckeite, galena, "hochschildite", pyrite, stannite, * teallite, vivianite, wurtzite (some: "pufahlite"), zinkenite.