Fillow Quarry, Branchville, Redding, Fairfield County, 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 King
Green foliated aggregate of dickinsonite-(KMnNa) crystals surrounded by yellowish fillowite.
© 2019 Harold Moritz
Berry-Havey Quarry, Poland, Androscoggin County, Maine, USA
Green dickinsonite and pink rhodochrosite. Field of view is 3 mm across. Collected October 6, 2012, on a MMGS field trip to the Havey quarry.
© 2013 Peter Cristofono
Massive, micaceous, olive green dickinsonite on lithiophilite and quartz.
Branchville, Ridgefield, Fairfield County, 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 '08
Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Green dickinsonite, FOV 4.5cm, visually identified
Emmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
Dickinsonite (green), diadochite (red), purpite (purple),.. make this a stunning piece from Emmons. Id by Lloyd Alexander and confirmed by AF. Photo by Lloyd. W. Alexander.
© Lloyd W. Alexander
Dickinsonite (green), diadochite (red), purpite (purple), and albite (clear) make this a stunning piece from Emmons. Id by Lloyd Alexander and confirmed by AF. Photo by Lloyd. W. Alexander.
Minerals found in a highly altered lithiophilite nodule, abundant olive-green dickinsonite with granular rhodochrosite intermixed with quartz and red brown granular triploidite; also present on this specimen are fairfieldite crystals, residual lithiophilite and possibly robertsite. ex. Dr. David London; ex. G. J. Brush; ex. E. S. Dana - no ...
© 2023, JGW