Item talk:Q162412

Mindat Short Description

See also the chemically similar Cobaltite (ideally CoAsS) and Alloclasite (richer in Co than glaucodot). Compare 'UM1966-01-As:CoNiS'.

Geoscience Ontology Status Notes

Breithaupt A, Plattner C F (1849) Bestimmung neuer mineralien: Glaukodot, Annalen der Physik und Chemie 153, 127-141 Chemical formula redefined: Yang H, Downs R T (2008) Crystal structure of glaucodot, (Co,Fe)AsS, and its relationships to marcasite and arsenopyrite, American Mineralogist 93, 1183-1186

IMA Formula (from Mindat)

(Co_0.5Fe_0.5)AsS

RRUFF Formula (from Geoscience Ontology)

Co³⁺Fe³⁺(AsS)^3-₂

Additional References

• http://www.handbookofmineralogy.com/pdfs/glaucodot.pdf

• http://www.webmineral.com/data/Glaucodot.shtml