$265Median
6Sold (12 mo)
$250Last sale
Updated 1d ago
Zincite from Franklin Mine, Franklin, New Jersey, USA
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Rich deep red masses of zincite throughout a white massive calcite matrix with black grains of franklinite. The specimen comes with an antique label from New Jersey mineral dealer John Albanese. This has been slabbed and polished on one face. Brightly fluorescent under shortwave ultraviolet light.Franklin, New Jersey, historically renowned as the fluorescent mineral capital of the world, sits within the Franklin Mining District in the New Jersey Highlands. Geologically, the deposit consists of unique, intensely metamorphosed Neoproterozoic ore bodies hosted within carbonate rocks, formed through complex hydrothermal and metamorphic events that concentrated rare zinc, iron, and manganese minerals. The mining history dates back to the mid-17th century for iron exploration, but large-scale commercial extraction of zinc ores began in the 19th century, driven by companies like the New Jersey Zinc Company. Underground operations at the famous Sterling and Franklin mines continued for over a century before closing in the late 20th century, transforming the area into a legendary locality recognized globally for its unmatched diversity of over three hundred mineral species, many of which exhibit brilliant fluorescence under ultraviolet light.
Product details
SpeciesZinciteCalciteFranklinite
SizeSmall Cabinet
Dimensions7.0 x 4.0 x 2.5 cm
Listed on11/06/2026
LocalityUSA, New Jersey, Franklin Mine
SKU2354252
Current owner
WM
Weinrich MineralsFeatured
3,650 for sale·9 sold
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