Plagioclase : (Na,Ca)[(Si,Al)AlSi2]O8
As recorded:
Tveit 03 Feldspar Quarry, Tveit, Iveland, Agder, Norway
Mindat locality:
Collected by:
Photo added to mindat.org
“40 x 60mm var, moonstone 1/10-10 found by me now in my normal collection”
George Creighton - 13th November 2010
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