Item talk:Q162434

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)₃S^2-

Additional References

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

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