Prehnite : Ca2Al2Si3O10(OH)2
As recorded:
Oficarsa Quarry, Carchelejo, Cárcheles, Jaén, Andalusia, Spain
65mm x 30mm
Photo added to mindat.org
“Bright groups of Prehnite curved crystals forming globular aggregates. On a matrix with Augite. This quarry is closed now.”
Angel Gomez - 2nd August 2009
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