Haiweeite

(repeating unit)Ca[(UO2)2Si5O12(OH)2]·3(H2O)IMA symbolHwe[1]Strunz classification9.AK.25Dana classification53.3.2.2Crystal systemOrthorhombicCrystal classDipyramidal (mmm)Space groupOrthorhombic
H-M symbol: (2/m 2/m 2/m)
Space group: PbcnIdentificationOther characteristics Radioactive

Haiweeite is a mineral of uranium and has the chemical formula: Ca[(UO2)2Si5O12(OH)2]·3(H2O). It is a secondary mineral of uranium, a product of oxidation. It has a greenish yellow color. It has a Mohs hardness of about 3.5 and is fluorescent under UV light.

It was named after the Haiwee Reservoir, Inyo County, California, US, where it was first found.

References

Wikimedia Commons has media related to Haiweeite.
  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  • Mindat.org
  • Handbook of Mineralogy
  • Webmineral data


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