AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Canada > Birnessite pseudomorph after Serandite

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Birnessite pseudomorph after Serandite from Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada

 
Birnessite pseudomorph after Serandite from Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada

Birnessite pseudomorph after Serandite from Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada

DESCRIPTION:No. 57821
Mineral:Birnessite pseudomorph after Serandite
Locality:Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Description:Brown-black birnessite pseudomorph after a prismatic 20 mm serandite crystals with no matrix attached. The serandite crystallized first, the birnessite replaced the serandite atom by atom maintaining the crystal form, but changing the composition.
Overall Size:23x12x8 mm
Crystals:20 mm pseudo
Archived: For reference only

 

 

 

 

 

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