AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Africa > Sturmanite pseudomorphs after Gypsum

Search
 

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

   

Sturmanite pseudomorphs after Gypsum from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

 
Sturmanite pseudomorphs after Gypsum from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Sturmanite pseudomorphs after Gypsum from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Sturmanite pseudomorphs after Gypsum from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

Sturmanite pseudomorphs after Gypsum from N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa

DESCRIPTION:No. 61323
Mineral:Sturmanite pseudomorphs after Gypsum
Locality:N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
Description:Translucent brown sturmanite pseudomorphs after twisted gypsum crystals to 25 mm with di-pyramidal sturmanite crystals to 2 mm on the surfaces. The gypsum crystallized first, then altered to sturmanite, maintaining the original gypsum shape. Ex. Judy & Chris Cook collection
Overall Size:25x15x10 mm
Crystals:1-2 mm
Archived: For reference only

 

 

 

 

 

© AllMinerals/JohnBetts-FineMinerals All Rights Reserved

The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property. ;