Siderite with Pyrite on Ferberite
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Crystal ClassicsFeatured
Tucson, Arizona, USAWith all the exceptionally crystallized specimens that have come out from Panasqueira mine over the years, Siderite is perhaps the one that is most overlooked and yet its crystal forms are magnificent. Mined sometime prior to 1998, this wonderful biscuit-coloured Siderite shows strikingly unusual short hexagonal prisms aggregated over a dense black bladed Ferberite crystal. At certain angles the Siderite crystals display a wonderful silky sheen and are colour-zoned with slightly darker centres and paler sides. Under magnification it is seen that the sides of these Siderite crystals are porous, perhaps naturally etched, but providing a really interesting form. Around the sides of the specimen two, or three of the Siderite crystals are fractured, but on the main display face the crystals are in excellent condition and a very light dusting of Pyrite provides flashes of gold. Small cabinet in size this is a very sweet Siderite, full of distinctive character.
Product details
Species
SizeSmall Cabinet
Dimensions7.0 x 5.3 x 4.0 cm
Listed on06/11/2026
SKUCC56254
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Mineral guide
Learn about Siderite
warm-toned iron carbonate with sharp rhombohedra and occasional gemmy crystals; prized for luster, classic localities Harz, Panasqueira, Dal’negorsk.
Regional guide
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