AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arkansas > Planerite over stalactitic Goethite

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Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

 
Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

Planerite over stalactitic Goethite from Coon Creek Mine, Polk County, Arkansas

DESCRIPTION:No. 81232
Mineral:Planerite over stalactitic Goethite
Locality:Coon Creek Mine, Polk County, Arkansas
Description:Rare specimen of pale-green planerite microcrystals coating parallel linear stalactites of black goethite. Planerite Al6(PO4)2(PO3OH)2(OH)8 4H2O is the copper deficient relative of Turquoise CuAl6(PO4)4(OH)8 4H2O. Collected early 1970s. Ex. Henry Delinde (1923-2019) collection, co-author of Arkansas Phosphate Minerals in Rocks and Minerals, July-Aug. 1989
Overall Size:40x26x13 mm
Crystals:micro
Archived: For reference only
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