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Siderite
Large quartz (20 cm) with a smaller side quartz, both covered by intact, flattened, ochre-gray colored rhombohedrons of siderite. A ferberite crystal is at the base. A few small, almost colorless apatite crystals are stuck in the large quartz crystal. The ensemble appears to be floating: the lower portion of the large quartz is entirely recrystallized, while there appears to be a little contact at the level of the ferberite.
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Collectors of Siderite from Panasqueira Mines
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