Samarskite-(y) Crystal Cluster on Matrix
Formula:(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Approximate Size: 29x25x18mm
Approximate Weight: 13.5 Grams
Samarskite-(y) was named in recognition of Colonel Vasilii Yevgrafovich Samarskii-Bykhovets (Васи́лий Евгра́фович Сама́рский-Быховец) (7 November 1803 – 31 May 1870), a Russian mining engineer and Chief of Staff of the Russian Corps of Mining Engineers, the element samarium was named after him.
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 is not included
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