John Betts - Fine Minerals > Home Page > Minerals For Sale > Minerals from Rocky Mountain States, USA For Sale > Pseudomorphs For Sale

 

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Mineral Specimen No. 77340:
Goethite pseudomorphs after Pyrite for sale from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado.

This mineral specimen Goethite pseudomorphs after Pyrite from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado is available for sale from John Betts - Fine Minerals, mineral dealer located in New York City, New York.Follow on Facebook

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Description of Mineral Specimen for sale No. 77340:

Mineral Species: Goethite pseudomorphs after Pyrite.
Location of origin: road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado.
Description: Well-defined lustrous brown goethite pseudomorphs after striated cubic pyrite crystals to 17 mm. Pyrite, FeS2, crystallized first, then altered molecule-by-molecule to goethite, Fe3+O(OH), maintaining the original pyrite shape. Pseudomorph = false form. The specimen was extracted from solid rock, not from a cavity, resulting in minor surface imperfections where the surrounding matrix was removed. Collected in August 1994.
Overall size: 25x20x16 mm.
Size of individual crystals: 1-17 mm pseudos
Price: $24 (plus shipping).

Mineral Goethite pseudomorphs after Pyrite for sale from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado

Detail view of mineral Goethite pseudomorphs after Pyrite for sale from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado

Detail view of mineral Goethite pseudomorphs after Pyrite for sale from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado

Detail view of mineral Goethite pseudomorphs after Pyrite for sale from road cut on Rt. 600 (Coffee Pot Road), near Dotsero, Eagle County, Colorado

Thumbnail-sized Specimen

     


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Pseudomorphs

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Rocky Mountain States, USA


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