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

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

   

Biotite pseudomorph after Hornblende from Route 62 road cut, Bancroft, Ontario, Canada

 
Biotite pseudomorph after Hornblende from Route 62 road cut, Bancroft, Ontario, Canada

DESCRIPTION:No. 16985
Mineral:Biotite pseudomorph after Hornblende
Locality:Route 62 road cut, Bancroft, Ontario, Canada
Description:Black biotite pseudomorph after a hornblende crystal. The biotite replaced the hornblende molecule by molecule, resulting in transformed composition but retaining the original shape. Ex. A. Stevenson collection #286
Overall Size:23x16x12 mm
Crystals:17 mm
Archived: For reference only

 

 

 

 

 

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