539:
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132:
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673:
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104:
683:
638:
580:
301:
653:
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317:
294:
663:
643:
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623:
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628:
658:
89:
242:
205:
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411:
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Polycrase forms a continuous series with the niobium rich rare earth oxide
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212:, Norway. It is found in Sweden, Norway, and the United States.
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568:
183:
due to its uranium content (around 6%). It occurs in
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150:is a black or brown metallic complex
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556:
554:
231:"IMA–CNMNC approved mineral symbols"
567:. You can help Knowledge (XXG) by
200:It was first described in 1870 at
25:
537:
130:
559:This article about a specific
1:
171:. It is amorphous. It has a
700:
679:Minerals described in 1870
674:Minerals in space group 60
553:
160:with the chemical formula
533:
277:Mindat with location data
34:
162:(Y,Ca,Ce,U,Th)(Ti,Nb,Ta)
76:(Y,Ca,Ce,U,Th)(Ti,Nb,Ta)
41:Polycrase crystal from
235:Mineralogical Magazine
206:Hidra (Hittero) Island
45:, Minas Gerais, Brazil
669:Orthorhombic minerals
127:Other characteristics
684:Oxide mineral stubs
639:Lanthanide minerals
544:Minerals portal
256:10.1180/mgm.2021.43
247:2021MinM...85..291W
229:Warr, L.N. (2021).
654:Titanium minerals
649:Tantalum minerals
576:
575:
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514:carbonate mineral
451:Silicate minerals
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444:
318:Titanium minerals
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16:(Redirected from
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664:Amorphous solids
644:Niobium minerals
634:Yttrium minerals
624:Calcium minerals
619:Thorium minerals
614:Uranium minerals
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177:specific gravity
175:of 5 to 6 and a
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118:Specific gravity
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84:
72:
71:(repeating unit)
39:
27:
21:
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698:
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629:Cerium minerals
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659:Oxide minerals
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524:borate mineral
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484:Nenadkevichite
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392:Freudenbergite
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372:Aeschynite-(Y)
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326:Oxide minerals
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241:(3): 291–320.
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99:Identification
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561:oxide mineral
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494:Zircophyllite
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173:Mohs hardness
159:
158:oxide mineral
156:
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149:
148:polycrase-(Y)
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28:
19:
18:Polycrase-(Y)
569:expanding it
558:
535:
421:
238:
234:
224:
199:
192:
179:of 5. It is
147:
143:
142:
474:Lorenzenite
464:Grossmanite
459:Aenigmatite
432:Zirconolite
427:Zimbabweite
397:Haggertyite
377:Armalcolite
210:Flekkefjord
181:radioactive
136:Radioactive
608:Categories
520:Warwickite
469:Keilhauite
417:Perovskite
412:Latrappite
407:Keilhauite
351:Geikielite
282:Webmineral
216:References
188:pegmatites
105:Mohs scale
90:IMA symbol
510:Sabinaite
437:Zirkelite
422:Polycrase
265:235729616
144:Polycrase
43:Rio Pomba
30:Polycrase
489:Titanite
479:Melanite
402:Ilmenite
387:Euxenite
382:Betafite
346:Brookite
195:euxenite
185:granitic
108:hardness
56:Category
341:Anatase
243:Bibcode
208:, near
155:yttrium
152:uranium
67:Formula
60:Mineral
51:General
356:Rutile
334:Simple
263:
202:Rasvag
563:is a
503:Other
365:Mixed
261:S2CID
565:stub
251:doi
146:or
112:5-6
94:Plc
610::
259:.
249:.
239:85
237:.
233:.
204:,
197:.
190:.
596:e
589:t
582:v
571:.
526:)
522:(
516:)
512:(
310:e
303:t
296:v
267:.
253::
245::
168:6
166:O
164:2
122:5
82:6
80:O
78:2
20:)
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