Pennsylvania Uranium Mining Company Shaft, Shanesville, Earl Township, Berks County, Pennsylvania, USA
Thorite - multiple brown sections of thorite altering to pale yellow thorogummite.
© Christopher O'Neill
Thorite - lustrous red pods in matrix
Unidentified fluorescent green mineral.
Thorite - lustrous red pods in matrix associated with minor pyrite.
Thorogummite - yellow thorogummite sectors that have been altered from brown thorite.
Thorogummite - close-up of yellow thorogummite.
Thorogummite - short-wave display of green thorogummite sectors.
Thorite / Thorogummite - brown thorite altering to yellow thorogummite.
Accompanied label (the back of the label states that it was collected in 1970).