Hureaulite, sicklerite, vivianite, rockbridgeite and phosphoferrite - Mangualde - Viseu - Portugal
(#GM24065)
A small encyclopedia of minerals, where however only hureaulite is easily recognizable.
Most of the surface of this specimen is covered with orange/light brown crystals of hureaulite.
To identify the other minerals you need ...
Specimen weight:50 gr.
Crystal size:mm. 4
Overall size:56mm x 43 mm x 22 mm
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