Item talk:Q162262

Mindat Short Description

Rod-like to acicular yellow crystals in radial groups.

Compare also natroboltwoodite.

Geoscience Ontology Status Notes

Frondel C, Ito J (1956) Boltwoodite, a new uranium silicate, Science 124, 931-931 Chemical formula redefined: Stohl F V, Smith D K (1981) The crystal chemistry of the uranyl silicate minerals, American Mineralogist 66, 610-625

IMA Formula (from Mindat)

(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O

RRUFF Formula (from Geoscience Ontology)

(K,Na)UO₂(SiO₃OH)·1.5H₂O

Additional References

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

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