Locality: Hurricane Mtn. Conway, NH
Specimen Size: Largest sample is 6.5 cm
Field Collected: E. Schlichter - 1982
Catalog No.: Harvard Mineral Museum specimens #151082.
Notes: Top photo by Kevin Czaja. Thorogummite was discredited as a valid species in 2014.
A poly bag of these was loaned from the Harvard collection for photos and to supply grains for analysis. The most radioactive specimen is shown in the second photo with a close-up in the third photo. The resinous brown area on the specimen right side is suspected to be the source for the strong radioactive response.
An EDS analyses by Al Falster at the MMGM laboratory indicated thorite variety thorogummite.
Locality: Hurricane Mtn. Conway, NH
Specimen Size: 1.3 mm field of view
Field Collected: Bob Wilken 2023
Catalog No.: Harvard Mineral Museum specimens #151082.
Notes: An EDS analyses indicated these red-brown tablets are thorite var. thorogummite. Fe, P and Al are known substitutions in thorogummite. A second EDS analyses by Al Falster at the MMGM laboratory also indicated thorogummite.