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Dickinsonite-(KMnNa) Gallery

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Dickinsonite-(KMnNa) : {KNa}{Mn2+[ ]}{Ca}{Na3}{Mn2+13}{Al}[(OH)2|(PO4)12]

Branchville, Redding, Fairfield Co., Connecticut, USA

A ~5cm specimen with greenish Dickinsonite. From the collection of the Philidelphia Academy of Natural Sciences #19062. Now #2383 in my own collection. The specimen retains a dealer label from L. Stadtmuller of New Haven CT. According to Minrec, he was active from roughly 1870 through 1890, dating this piece to the late 1800's. The Philly ...
 © C. Stefano '08Photo ID: 171296    View Count: 127

Dickinsonite-(KMnNa) : {KNa}{Mn2+[ ]}{Ca}{Na3}{Mn2+13}{Al}[(OH)2|(PO4)12]

Abija N. Fillow Quarry (Branchville Quarry), Branchville, Redding, Fairfield Co., Connecticut, USA

Dickinsonite-(KMnNa) crystals showing sub-parrallel growth of dark olive-green terminated platy angular crystals as well as typical lamellar growth. Minor acicular apatite-(CaF). FOV = 3 mm.
 © Van KingPhoto ID: 199949    View Count: 120
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