Rare earth ores (e.g. lanthanum, cerium, etc.), partly UV-acrive!; Bolivia; 10 kg

Rare earth ores; Bolivia; 10 kg

with: Lanthanum, Cerium, Europium, Erbium, Yttrium, Holmium and many others.

Partly UV-active!

Picture shows samples.

To see the colors and samples better the stones are wetted for the pictures.

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