Guilleminite Crystals on Matrix – Haut-Katanga, Congo


Geological Check source for Geiger counters.

Guilleminite Crystals on Matrix – 30-grams


Out of stock

Guilleminite Crystals on Matrix

Common Name:Guilleminite

From Musonoi Mine, Haut-Katanga (DRC)

Size: 49*26*15mm

Approximate Weight: 30g

Formula: Ba(UO2)3(SeO3)2O2 · 3H2O

Guilleminite is a uranium mineral named by R. Pierrot, J. Toussaint, and T. Verbeek in 1965 in honor of Jean Claude Guillemin (1923–1994), a chemist and mineralogist. It is a rare uranium/selenium mineral found at the Musonoi Mine in the Katanga Province of the Democratic Republic of the Congo

Shipped only with USPS Parcel Select Ground (2-8 days), wrapped in plastic, lead foil, and bubble wrap in a box big enough to bring the parcel surface activity below the 0.5mR/hr shipping limit.

The buyer must assume responsibility for this item and use it according to its intended purpose. Keep this away from children and store it at least five feet away from anywhere anyone spends a lot of time.

This listing meets the requirements of NRC 10 CFR 40.22

It also meets U.S.P.S domestic shipping requirements for exempt limited quantities of class 7 materials according to –347.22 “are eligible under 49 CFR to be shipped as excepted packages for limited quantities” and –Exhibit 347.22 Activity Limits– and also –173.435– Table of A1 and A2 values

Geiger counter not included.

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