Dimorphous with uranophane.
U = 55.6 percent.
Color: Yellow. A secondary mineral.
Synonyms and varieties: beta-uranotile (synonym), and randite (a mixture of beta-uranophane, some tyuyamunite, and calcite).
Source: Frondel, Judith Weiss and Michael Fleischer. 1955. Glossary of
Uranium- and Thorium-Bearing Minerals, Third Edition. Washington DC: United
States Government Printing Office
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