Item talk:Q162216

Mindat Short Description

Vivianite Group, Annabergite-Erythrite Series.

Annabergite is the nickel analogue of Erythrite.

It is often found as a green alteration coating on other nickel minerals.

Geoscience Ontology Status Notes

Phillips W, Brooke H J, Miller W H (1852) Annabergite, in An Elementary Introduction to Mineralogy, Longman, Brown, Green, and Longman (London) 503-504

IMA Formula (from Mindat)

Ni₃(AsO₄)₂ · 8H₂O

RRUFF Formula (from Geoscience Ontology)

Ni²⁺₃(As⁵⁺O₄)₂·8H₂O

Additional References

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

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