- four
minerals in the
allanite group, each
recognized as a
unique mineral:
allanite-(Ce),
allanite-(La),
allanite-(Nd), and
allanite-(Y),
depending on the...
- mineral.
Allanite and dollaseite-(Ce) have the same
general epidote formula and
contain metals of the
cerium group. In
external appearance allanite differs...
- granites,
whereas titanite (sphene) and
allanite are
considered diagnostic accessory minerals for I-type granites.
Allanite is
typically surrounded by radial...
-
Aleksite Aleutite Alforsite Algodonite Aliettite Allabogdanite Allactite Allanite Allanpringite Allantoin Allargentum Alleghanyite Allendeite Alloclasite...
-
Tanzanite – Ca2Al3O(SiO4)(Si2O7)(OH)
Clinozoisite – Ca2Al3O(SiO4)(Si2O7)(OH)
Allanite – Ca(Ce,La,Y,Ca)Al2(FeII,FeIII)O(SiO4)(Si2O7)(OH) Dollaseite-(Ce) – CaCeMg2AlSi3O11F(OH)...
- di****nate)
Allanite 9.BG.05b
Allanite-(Ce) (epidote,
allanite: IMA1987 s.p., 1812) 9.BG.05b [220] [221] [222]
Allanite-(La) (epidote,
allanite: IMA2003-065)...
-
termed low zircon.
Other minerals known to
undergo metamictisation include allanite, gadolinite, ekanite,
thorite and titanite.
Ekanite is
almost invariably...
- thorium-232. Some
minerals that
contain thorium include apatite, sphene, zircon,
allanite, mo****te, pyrochlore, thorite, and xenotime. Thorium-232 has a half-life...
-
contain up to
about 12%
thorium oxide. Mo****te
contains 2.5% thorium,
allanite has 0.1 to 2%
thorium and
zircon can have up to 0.4% thorium. Thorium-containing...
-
contain significant rare-earth substitution: aeschynite-(Ce) aeschynite-(Y)
allanite apatite bastnäsite
britholite brockite cerite dollaseite-(Ce) fluocerite...
