Item talk:Q162726
Mindat Short Description
Adelite-Descloizite Group. Conichalcite-Tangeite Series.
This name replaced calciovolborthite (Basso et al., 1994).
A secondary mineral found in sandstone and in the oxidized zones of vanadium-bearing deposits. Easily confused with the copper va...
Geoscience Ontology Status Notes
Nenadkewitch K, Volkov P (1926) La tanguéite - nouvell espèce minérale des mines de Tjuja Moujoun en Ferghana, Comptes Rendus (Doklady) de l’Académie des Sciences de l’URSS 1926, 43-46 Calciovolborthite = tangeite, decided to keep name calciovolborthite. Jambor J L, Puziewicz J (1990) New mineral names, American Mineralogist 75, 1209-1216 Calciovolborthite = tangeite, decided to change name to tangeite, because there is no formal relationship with volborthite. Basso R, Zefiro L (1994) Mineral nomenclature: status of calciovolborthite and tangeite, Neues Jahrbuch für Mineralogie, Monatshefte 1994, 205-208
IMA Formula (from Mindat)
CaCu(VO4)(OH)
RRUFF Formula (from Geoscience Ontology)
CaCu2+V5+O4(OH)