Haiweeite
(repeating unit)Ca[(UO2)2Si5O12(OH)2]·3(H2O) IMA symbol Hwe[1] Strunz classification 9.AK.25 Dana classification 53.3.2.2 Crystal system Orthorhombic Crystal class Dipyramidal (mmm) Space group Orthorhombic
H-M symbol: (2/m 2/m 2/m)
Space group: Pbcn Identification Other characteristics
Radioactive
H-M symbol: (2/m 2/m 2/m)
Space group: Pbcn
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Radioactive.svg/25px-Radioactive.svg.png)
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
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Wikimedia Commons has media related to Haiweeite.
- ^ 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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