(L'Aron, Le Grand Fougeray, Ille-et-Vilaine, Bretagne, France)
Grey nodular europium-bearing monazite, in a schist matrix, in Aron river alluvium.
Associated with heavy biogenic nodules and with elongated elliptic aggregates of chlorite (inner prints of bivalve shells).
Mineral List:5 entries listed. 4 valid minerals.
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