AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Egypt > Limonite pseudomorph after Marcasite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Limonite pseudomorph after Marcasite from Sahara el Beyda, 45 km north of Farafra, Egypt

 
Limonite pseudomorph after Marcasite from Sahara el Beyda, 45 km north of Farafra, Egypt

Limonite pseudomorph after Marcasite from Sahara el Beyda, 45 km north of Farafra, Egypt

Limonite pseudomorph after Marcasite from Sahara el Beyda, 45 km north of Farafra, Egypt

Limonite pseudomorph after Marcasite from Sahara el Beyda, 45 km north of Farafra, Egypt

DESCRIPTION:No. 62238
Mineral:Limonite pseudomorph after Marcasite
Locality:Sahara el Beyda, 45 km north of Farafra, Egypt
Description:Brown-black limonite pseudomorphs after a stellate formation of marcasite crystals to 22 mm that originally crystallized on the ocean bottom, then altered into limonite (confirmed by specific gravity, not hematite as misidentified on some web sites).
Overall Size:4x3x2.5 cm
Crystals:5-22 mm pseudos
Archived: For reference only

 

 

 

 

 

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