Save 15% Off Any Item

Coupon Code "Save15Summer"

Offer Good Until August 5

Get our NEW "Earth's Oldest Rocks

and Oldest Life" Geologic Time Scale Poster

Free with Every Order over $100!

Francevillite xls [29768] Oklo District Gabon

Brand : Jensan Scientifics LLC

Usually ships in 24 hours
1.00 LBS
Minimum Purchase:
1 unit
Maximum Purchase:
1 unit
Calculated at Checkout

Great coverage of the uranium mineral Francevillite from the Mounana Uranium Mine, one of the Oklo District Mines, Franceville, Haut-Ogooué province, Gabon. 

The Haut-Ogooué province is a famous geological region. It has 16 related mine sites. The uranium mines in this region are associated with the autonomous Oklo mine, an all-natural nuclear fission reactor that dates back about 1.7 bya. The natural atomic fission reactions ran for hundreds of thousands of years. It could have reached criticality with the neutron moderator being natural water and the unique geological layering of the deposits in the region. The Oklo mine and others have been closed for years, but a few like the mine this specimen came from is still being mined in the Oklo district.

Specimen Minerals: Francevillite xls

Size of specimen: 23mm L X 16mm W X 11mm D.

Locality: Mounana Uranium Mine, Oklo District Mines Gabon, Franceville, Haut-Ogooué province, Gabon. 

Ships in a protective case with tag, tag stand, information, and Certificate of Authenticity. Display stand and photo cube not included.

Note: Due to the small size of the specimen, the radioactivity is medium. As with any mineral specimen, handle with care and wash your hands after handling. Do not inhale the dust. 

This specimen is exceedingly rare and makes an admirable addition to any geological collection! LAST ONE

This Francevillite from the Oklo District, Gabon, is Guaranteed Authentic. It was professionally and legally collected and arrives with a Certificate of Authenticity, information, tag and tag stand.