ptilolite (suomeksi)

Määritelmät:

(lb, en, mineral, outdated) mordenite, Mordenite; once designated as a new mineral, it was discovered to be identical with mordenite. (cite-journal, passage=Both ptilolite and mordenite become simply representable by the same general formula Al₂(Si₂O₅)₅R'₄+nAq., journal=The American Journal of Science, last1=Clark, first1=F.W., title=Article XIII.--New Occurrence of Ptilolite, url=https://books.google.com/books?id=vRFHAQAAMAAJ&pg=PA100&lpg=PA100&dq=ptilolite&source=bl&ots=m3he4-03wc&sig=2wAmG0YItYmlQRTfZxOBDukt2Bg&hl=en&sa=X&ved=0ahUKEwjHqcSEyq3PAhUFOSYKHQWvDdIQ6AEITTAMv=onepage&q=ptilolite&f=false, series=3rd, volume=44, issue=260, year=1892, editor1-last=D., editor1-first=James, editor2-last=Dana, editor2-first=Edward S., publisher=Tuttle, Morehouse & Taylor, location=New Haven, CT, page=101)