Item talk:Q162434
From geokb
Mindat Short Description
Helvine Group. Danalite-Helvine Series, and the Genthelvite-Helvine Series. The IMA officially recognized name (2012 IMA list) is helvine, not helvite, although the synonym "helvite" may be more common in the literature.
Geoscience Ontology Status Notes
Werner A G (1817) Helvin, in Letztes Mineral-System, bey Craz und Gerlach, und bey Carl Gerold (Freiberg und Wien) 29-29
IMA Formula (from Mindat)
Be3Mn2+4(SiO4)3S
RRUFF Formula (from Geoscience Ontology)
Mn2+4(BeSiO4)3S2-
