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Polycrase or
polycrase-(Y) is a
black or
brown metallic complex uranium yttrium oxide mineral with the
chemical formula (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6. It...
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radiation damage.
Euxenite forms a
continuous series with the
titanium rich
polycrase-(Y)
having the
formula (Y,Ca,Ce,U,Th)(Ti,Nb,Ta) 2O 6. It was
first described...
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group name), wodginite,
euxenite (actually euxenite-(Y)), and
polycrase (actually
polycrase-(Y)).
Tantalite (Fe, Mn)Ta2O6 is the most
important mineral...
- is a
member of the
Euxenite Group and is the
uranium bearing analog of
polycrase-(Y). The type
specimen is
almost entirely metamict. The
ideal formula...
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Platinum Plattnerite Playfairite Plumbogummite Polarite Pollucite Polybasite Polycrase Polydymite Polyhalite Portlandite Posnjakite Poudretteite Povondraite...
- many minerals,
including xenotime, fergusonite, gadolinite, euxenite,
polycrase, blomstrandine, mo****te and bastnäsite,
often with
erbium and holmium...
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Polybasite Plb
Puttapaite Ptp
Paddlewheelite Pdw Parthéite Pth
Phlogopite Phl
Polycrase-(Y) (discredited) Plc-Y
Putzite Pzi Padĕraite Pdĕ
Parwanite Prw Phoenicochroite...
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chains of edge-sharing octahedra: 05 Euxenite-(Y), 05 Loranskite-(Y), 05
Polycrase-(Y), 05 Uranopolycrase, 05 Fersmite, 05 Kobeite-(Y), 05 Tanteuxenite-(Y)...
- chernovite, perovskite, xenotime, cerite, gadolinite, lanthanite, fergusonite,
polycrase, blomstrandine, håleniusite, miserite, loparite, lepersonnite, euxenite...
- was
observed in only one
instance and then upon
smoky quartz crystals.
Polycrase, or an
allied species, was seen
implanted upon the gadolinite. Very fair...
