Prehnite, Ca2Al(Si3Al)O10(OH)2
Boyleston Quarry, Barrhead, East Renfrewshire, Scotland, UK
FOV = 3.4 mm
#9124
NFS
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Mineral collector for past 70 years. Served 21 years in United States Navy and 20 years at Puget Sound Naval Shipyard. Wife and I plus 3 granddaughters are llama owners.