About the Book
Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Keilhauite, Euxenite, Gadolinite, Bastnsite, Monazite, Thorianite, Cervandonite, Samarskite, Stillwellite-(ce), Parisite, Cerite, Fergusonite, Allanite, Thomasclarkite, Zajacite-(ce), Rare Earth Mineral, Agardite, Zirkelite, Abenakiite-(ce), Polycrase, Hibonite, Kukharenkoite-(ce), Ancylite, Lanthanite, Fluocerite, Yttrocerite, Hleniusite-(la), Aeschynite-(y), Fluorcaphite, Aeschynite-(ce). Excerpt: Abenakiite-(Ce) (or IMA1991-054 ) is a mineral of sodium, cerium, neodymium, lanthanum, praseodymium, thorium, samarium, oxygen, sulfur, carbon, phosphorus, and silicon with a chemical formula Na 26(Ce, Nd, La, Pr, Th, Sm )6- . It is named after the Abenaki, an Algonquian tribe of New England . Its Mohs scale rating is 4 to 5. Websites (URLs online) A hyperlinked version of this chapter is at Aeschynite-(Ce) (or Aschynite, Eschinite, Eschynite ) (Ce, Ca, Fe, Th)(Ti, Nb)2(O, OH)6 is a mineral of cerium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen . Its name comes from the Greek word for "shame." The "-(Ce)" means it has more cerium than normal aeschynite . Its Mohs scale rating is 5 -6. Websites (URLs online) A hyperlinked version of this chapter is at Aeschynite-(Y) (or Aeschinite-(Y), Aeschynite-(Yt), Blomstrandine, Priorite ) (Y, Ca, Fe, Th)(Ti, Nb)2(O, OH)6 is a mineral of yttrium, calcium, iron, thorium, titanium, niobium, oxygen, and hydrogen . Its name comes from the Greek word for "shame." Its Mohs scale rating is 5 to 6. Websites (URLs online) A hyperlinked version of this chapter is at Agardite is a mineral group consisting of agardite-(Ce), agardite-(Nd), agardite-(La), and agardite-(Y) . They comprise a group of minerals that are hydrous hydrated arsenates of rare earth elements and copper, which contain variable amounts of calc...