AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Germany > Manganite (twinned crystals)

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

   

Manganite (twinned crystals) from Ilfeld, Harz Mountains, Thuringia, Germany (Type Locality for Manganite)

 
Manganite (twinned crystals) from Ilfeld, Harz Mountains, Thuringia, Germany (Type Locality for Manganite)

Manganite (twinned crystals) from Ilfeld, Harz Mountains, Thuringia, Germany (Type Locality for Manganite)

Manganite (twinned crystals) from Ilfeld, Harz Mountains, Thuringia, Germany (Type Locality for Manganite)

DESCRIPTION:No. 39079
Mineral:Manganite (twinned crystals)
Locality:Ilfeld, Harz Mountains, Thuringia, Germany (Type Locality for Manganite)
Description:Compact mass of crystallized black manganite with two shallow pockets that permitted complete terminated crystal growth. The pocket crystals show cruciform penetration twinning - a rare form for manganite.
Overall Size:5x4x4 cm
Crystals:1-4 mm
Archived: For reference only

 

 

 

 

 

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