Item talk:Q162707

Mindat Short Description

Zircon Group. The thorium analogue of Zircon and Hafnon.

This is a rare mineral that is commonly hydrated, and is radioactive.

Geoscience Ontology Status Notes

Originally named thorina: Gahn J G, Berzelius J, Wallman C, Eggertz H P (1817) Examination of some minerals found in the neighbourhood of Fahlun, and of their situation, Annals of Philosophy 9, 452-460

IMA Formula (from Mindat)

Th(SiO₄)

RRUFF Formula (from Geoscience Ontology)

ThSiO₄

Additional References

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

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