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columbite is
often found in
pegmatites as course-grained
igneous rocks.
Yttrocolumbite is the yttrium-rich
columbite with the
formula (Y,U,Fe)(Nb,Ta)O 4, is...
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Varieties that are not
valid species:
Yttrocerite (variety of fluorite)
Yttrocolumbite (variety of columbite)
Zabuyelite Zaccagnaite Zaherite Zaïrite Zakharovite...
- Yttriaite-(Y) Yt-Y
Yancowinnaite Ycw Yttrialite-(Y) Ytt-Y
Yangite Ygi
Yttrocolumbite-(Y) Yclb-Y
Yangzhumingite Yzh Yttrocrasite-(Y) Ycr-Y
Yanomamite Yan...
- Ishikawaite, 25 Srilankite, 25 Samarskite-(Y), 25 Samarskite-(Yb), 25
Yttrocolumbite-(Y); 30 Heftetjernite, 30 Wolframoixiolite*, 30 Krasnoselskite*, 30...
- trioxide) Yttrialite-(Y) (IMA1987 s.p., 1889) 9.BC.05 [75] [76] [77]
Yttrocolumbite-(Y)Q (IMA1987 s.p., 1837) 4.DB.25 [78] [79] [80] Note:
possibly samarskite-(Y)...
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Christopher Columbus (c. 1451–1506) And manganocolumbite, ferrocolumbite, and
Yttrocolumbite Cooperite: (Pt,Pd,Ni)S –
South African metallurgist Richard A. Cooper...
