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RM2678   Pyrolusite and goethite

Pyrolusite specimens from Sagides (Soria) are rare on the market. In this specimen we can see bright aggregates of fine prismatic pyrolusite crystals. They are partially covering a goethite matrix.

Size: 5.5 x 4 x 2.5 cm.
Found in ± 1975.
Col. Joan Astor (Barcelona).
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