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RM2701   Autunite, quartz and microcline-orthoclase

Sierra Albarrana, Hornachuelos, Córdoba, Andalucía, Spain

On a microcline-orthoclase-quartz matrix, several laminar aggregates of autunite are disposed, yellow color, transparent to translucent and brilliant. They present, as usual, intense fluorescence under UV light. It belongs to the Joan Astor collection (Barcelona), with a handwritten label and typewritten box.

Size: 7.7 x 4.6 x 3.5 cm.
Found in ± 1974.

Col. Joan Astor (Barcelona).
Presents radioactive activity.