Shumwayite

Shumwayite is a rare[2] but relatively simple uranyl sulfate mineral with the formula (UO2)2(SO4)2•5H2O. It was discovered in the Green Lizard and Giveaway-Simplot mines of the White Canyon mining district, San Juan County, Utah, US.[1]

Shumwayite
Yellow green crystals of the rare new uranium mineral shumwayite (IMA 2015-058) on a contrasting black matrix from the type locality in Utah (Giveway-Simplot Mine, Red Canyon, San Juan County, Utah.
General
CategorySulfate mineral
Formula
(repeating unit)
(UO2)2(SO4)2•5H2O
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/c
Unit cella = 6.75 Å, b = 12.50 Å
c = 16.90 Å, β = 90.92° (approximated)
Identification
Other characteristics Radioactive
References[1]

Relation to other minerals

The structure of shumwayite is unique.[1] Somewhat chemically similar natural uranyl sulfates include jáchymovite, metauranopilite and uranopilite.[3][4][5]

References

  1. Kampf, A.R., Plášil, J., Kasatkin, A.V., Marty, J.,Čejka, J., and Lapčák, L., 2015. Shumwayite, IMA 2015-058. CNMNC Newsletter No. 27, October 2015, 1228; Mineralogical Magazine 79, 1229–1236
  2. "Shumwayite: Shumwayite mineral information and data". Mindat.org. Retrieved 2016-03-13.
  3. "Jáchymovite: Jáchymovite mineral information and data". Mindat.org. Retrieved 2016-03-13.
  4. "Metauranopilite: Metauranopilite mineral information and data". Mindat.org. Retrieved 2016-03-13.
  5. "Uranopilite: Uranopilite mineral information and data". Mindat.org. Retrieved 2016-03-13.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.