Zircon (Var: Cyrtolite), Uranophane, Uraninite, Gummite

Specimen ID: R8J-T3R

Mineral(s)
Zircon (Var: Cyrtolite) : Zr[(SiO4),(OH)4]
Uranophane : Ca(UO2)2(SiO3OH)2·5H2O
Uraninite : UO2
Locality
Mindat locality:
Events

Photo added to mindat.org

Cyrtolite - brown radiating crystals within a 6 x 5 x 3 cm matrix associated with yellow uranophane and "gummite" as well a black greasy uraninite and mica. Registers 290,000 cpm on Ludlum Model 3 w/ 44-9 probe. See additioal photos and Hugh A. Ford label.
Christopher O'Neill - 28th May 2008

Photo added to mindat.org

Cyrtolite - close-up of brown radiating crystals within a 6 x 5 x 3 cm matrix associated with yellow uranophane.
Christopher O'Neill - 28th May 2008

Photo added to mindat.org

Cyrtolite - back side of the specimen showing 1.5 cm black uraninite and "gummite".
Christopher O'Neill - 28th May 2008

Photo added to mindat.org

Cyrtolite - close-up of 1.5 cm black uraninite within yellow "gummite".
Christopher O'Neill - 28th May 2008
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