26:
539:
phosphate-bearing granite pegmatitles and iron deposits. The sequence of phosphate transformations ended with the formation of cyrilovite within the F-apatite factures and the replacement of F-apatite by lipscombite and crandillite-group minerals. Weathering-related cyrilovite, lipscombite, and
579:
pinacoid. The pinacoid {001} and the dipyramid {113} are the dominant forms; all the faces of these forms tend to be present and equally well developed. The dipyramid {012} is not always present. The direction for the a-axis is at 45° angle to the smallest primitive
534:
O), they are able to form end members of a series of solid solutions. Either of the two minerals can occur in various proportions in a series of solid solutions in the wardite mineral group. Cyrilovite is a rare accessory mineral in some
420:
intergrowth of secondary phosphate minerals that include cyrilovite. The sequence of phosphate transformations ended with the formation of cyrilovite within the fluorapatite fractures and the replacement of fluorapatite by
786:
Cooper, M., Hawthorne, F. C., Cerny, P. (2000) Refinement of the crystal structure of cyrilovite from cyrilov, western
Moravia, Czech Republic. Journal of Czech Geological Society, 45, 95–100.
775:
Lottermoser, B., Lu, J. (1997) Petrogenesis of rare-element pegmatites in the Olary Block, South
Australia. 1. Mineralogy and chemical evolution. Mineralogy & Petrology, 59, 1–19.
494:
The mineral wardite is capable of crystallizing in a similar form to that of cyrilovite because of their closely related chemical compositions. Between wardite's composition, NaAl
757:
Fransolet, A. M., Cooper, M. A., Cerny, P., Hawthorne, C., Chapman, R. (2000) The tanco pegmatite at Bernic Lake, Southeastern
Manitoba. The Canadian Mineralogist, 38, 893–898.
575:
The individual crystals are usually smaller than 0.1 mm and many of them are intergrown. Crystals are squat and when single tend to lie on the
596:
translucent mineral that can appear in colors ranging from a bright yellow, honey-yellow, orange to brownish yellow, or brown and it has a
92:
560:
P41212, Z=4). Hydrogen atoms were not located, but reasonable positions can be estimated. The cell dimensions of cyrilovite are:
783:
Breitinger, D. K., et al. (2004) Combined vibrational spectra of natural wardite. Journal of
Molecular Structure, 706, 95–99.
203:
743:
Lindberg, M. L. (1957) Relationship of the minerals avelinoite, cyrilovite, and wardite. American
Mineralogist, 42, 204–213.
236:
809:
804:
448:
The chemical analysis shows substitution not only of Al for Fe, but also of K and Mn for Na, measured and observed
102:
721:
430:
799:
437:
cause by the volume decrease resulting from the transformation of typhylite to heteresoite. Mobilization of
409:
82:
445:
are subsequently incorporated into precipitating cyrilovite, lipscombite and crandallite-group minerals.
193:
642:
226:
216:
660:
442:
434:
183:
405:
465:
339:
41:
650:
449:
417:
264:
246:
48:
593:
461:
682:
131:
646:
365:
360:. It was first discovered in 1953 in a pegmatite at Cyrilov, near Velké Meźiřiči, West
112:
793:
664:
556:
The crystal structures of natural wardite and of the isomorphous cyrilovite have the
469:
287:
173:
124:
397:
600:
of 4. It has a yellow streak. The mineral is classified under the space group P4
557:
541:
480:
426:
422:
343:
297:
139:
25:
709:
609:
429:-group minerals. Fransolet suggest that a part of the leached Na leads to the
413:
178:
Massive, granular, pseudo cubic, radiating to botryoidal aggregates and crusts
117:
581:
536:
357:
464:, and coupled with Na, K, or Ca in cyrilovite. It is soluble in hot dilute
597:
569:
545:
401:
354:
655:
630:
438:
361:
347:
697:
576:
453:
168:
Bright yellow, honey-yellow, orange to brownish yellow, brown
441:
and of relatively immobile elements including aluminium and
683:
http://rruff.geo.arizona.edu/doclib/hom/cyrilovite.pdf
486:. In the closed tube, it gives off water and fuses.
306:
296:
286:
263:
255:
245:
235:
225:
215:
202:
192:
182:
172:
164:
159:
138:
123:
111:
101:
91:
81:
47:
37:
32:
18:
771:
769:
767:
765:
763:
8:
753:
751:
749:
710:http://webmineral.com/data/Cyrilovite.shtml
739:
737:
735:
733:
731:
729:
678:
676:
674:
540:crandillite-group minerals were formed by
376:The chemical formula of cyrilovite is NaFe
654:
693:
691:
544:meteoric waters under increasing oxygen
452:are considered to be in good agreement.
621:
514:O), and cyrilovite's composition, NaFe
479:, and, with difficulty, in hot dilute
15:
7:
631:"IMA–CNMNC approved mineral symbols"
350:, the sodium aluminium counterpart.
698:http://www.mindat.org/min-1206.html
14:
456:iron occurs virtually alone in H
396:O). Parent phosphate minerals,
24:
1:
338:O)) is a hydrous sodium iron
826:
23:
460:O rich minerals such as
410:hydrothermal alteration
353:Cyrilovite is found in
346:and isostructural with
685:Handbook of Mineralogy
635:Mineralogical Magazine
433:of cyrilovite, in the
408:, were transformed by
93:Strunz classification
129:Trapezohedral (422)
656:10.1180/mgm.2021.43
647:2021MinM...85..291W
629:Warr, L.N. (2021).
588:Physical properties
490:Geologic occurrence
443:rare-earth elements
416:to give a complex,
103:Dana classification
810:Phosphate minerals
805:Iron(III) minerals
450:specific gravities
256:Optical properties
340:phosphate mineral
313:
312:
42:Phosphate mineral
817:
776:
773:
758:
755:
744:
741:
724:
719:
713:
707:
701:
695:
686:
680:
669:
668:
658:
626:
592:Cyrilovite is a
468:, in hot dilute
418:microcrystalline
265:Refractive index
247:Specific gravity
208:
54:
53:(repeating unit)
28:
16:
825:
824:
820:
819:
818:
816:
815:
814:
800:Sodium minerals
790:
789:
780:
779:
774:
761:
756:
747:
742:
727:
722:Mineralienatlas
720:
716:
712:Webmineral data
708:
704:
696:
689:
681:
672:
628:
627:
623:
618:
607:
603:
590:
554:
533:
529:
525:
521:
517:
513:
509:
505:
501:
497:
492:
484:
477:
473:
462:phosphosiderite
459:
395:
391:
387:
383:
379:
374:
337:
333:
329:
325:
321:
281:
275:= 1.802–1.805,
274:
206:
154:
150:
130:
76:
72:
68:
64:
60:
52:
51:
12:
11:
5:
823:
821:
813:
812:
807:
802:
792:
791:
788:
787:
784:
778:
777:
759:
745:
725:
714:
702:
687:
670:
641:(3): 291–320.
620:
619:
617:
614:
605:
601:
589:
586:
553:
550:
531:
527:
523:
519:
515:
511:
507:
503:
499:
495:
491:
488:
482:
475:
471:
457:
393:
389:
385:
381:
377:
373:
370:
366:Czech Republic
335:
331:
327:
323:
319:
311:
310:
308:
304:
303:
300:
294:
293:
290:
284:
283:
279:
272:
267:
261:
260:
257:
253:
252:
249:
243:
242:
239:
233:
232:
229:
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219:
213:
212:
209:
200:
199:
196:
190:
189:
186:
180:
179:
176:
170:
169:
166:
162:
161:
160:Identification
157:
156:
152:
148:
142:
136:
135:
127:
121:
120:
115:
113:Crystal system
109:
108:
105:
99:
98:
95:
89:
88:
85:
79:
78:
74:
70:
66:
62:
58:
55:
45:
44:
39:
35:
34:
30:
29:
21:
20:
13:
10:
9:
6:
4:
3:
2:
822:
811:
808:
806:
803:
801:
798:
797:
795:
785:
782:
781:
772:
770:
768:
766:
764:
760:
754:
752:
750:
746:
740:
738:
736:
734:
732:
730:
726:
723:
718:
715:
711:
706:
703:
699:
694:
692:
688:
684:
679:
677:
675:
671:
666:
662:
657:
652:
648:
644:
640:
636:
632:
625:
622:
615:
613:
611:
599:
595:
587:
585:
583:
578:
573:
571:
567:
563:
559:
551:
549:
547:
543:
538:
489:
487:
485:
478:
467:
463:
455:
451:
446:
444:
440:
436:
432:
431:precipitation
428:
424:
419:
415:
411:
407:
403:
399:
371:
369:
367:
363:
359:
356:
351:
349:
345:
341:
317:
309:
305:
301:
299:
295:
291:
289:
288:Birefringence
285:
282:= 1.769–1.775
278:
271:
268:
266:
262:
258:
254:
250:
248:
244:
240:
238:
234:
230:
228:
224:
220:
218:
214:
210:
205:
201:
197:
195:
191:
187:
185:
181:
177:
175:
174:Crystal habit
171:
167:
163:
158:
146:
143:
141:
137:
133:
128:
126:
125:Crystal class
122:
119:
116:
114:
110:
106:
104:
100:
96:
94:
90:
86:
84:
80:
56:
50:
46:
43:
40:
36:
31:
27:
22:
17:
717:
705:
638:
634:
624:
591:
574:
568:= 7.32
565:
561:
555:
493:
447:
398:fluorapatite
375:
352:
315:
314:
276:
269:
259:Uniaxial (-)
144:
700:Mindat.org.
558:space group
542:percolating
427:crandallite
423:lipscombite
372:Composition
344:isomorphous
298:Pleochroism
251:3.081–3.096
241:Translucent
237:Diaphaneity
140:Space group
107:42.07.08.01
794:Categories
616:References
610:tetragonal
414:weathering
406:zwieselite
358:pegmatites
316:Cyrilovite
307:References
204:Mohs scale
198:Conchoidal
132:H–M symbol
118:Tetragonal
83:IMA symbol
19:Cyrilovite
665:235729616
608:2 and is
582:unit cell
552:Structure
537:oxidizing
292:δ = 0.033
598:hardness
594:vitreous
564:= 19.4,
546:fugacity
435:fissures
402:triplite
355:granitic
342:. It is
221:Vitreous
207:hardness
194:Fracture
184:Cleavage
38:Category
643:Bibcode
439:alkalis
362:Moravia
348:wardite
134:: (422)
97:8.DL.10
49:Formula
33:General
663:
454:Ferric
231:Yellow
227:Streak
217:Luster
661:S2CID
577:basal
318:(NaFe
165:Color
530:·2(H
526:(OH)
510:·2(H
506:(OH)
425:and
412:and
400:and
392:·2(H
388:(OH)
334:·2(H
330:(OH)
302:Weak
188:None
73:·2(H
69:(OH)
57:NaFe
651:doi
518:(PO
498:(PO
481:HNO
466:HCl
380:(PO
322:(PO
87:Cyr
61:(PO
796::
762:^
748:^
728:^
690:^
673:^
659:.
649:.
639:85
637:.
633:.
612:.
584:.
572:.
548:.
474:SO
368:.
364:,
77:O)
667:.
653::
645::
606:1
604:2
602:1
570:Ă…
566:a
562:c
532:2
528:4
524:2
522:)
520:4
516:3
512:2
508:4
504:2
502:)
500:4
496:3
483:3
476:4
472:2
470:H
458:2
404:-
394:2
390:4
386:2
384:)
382:4
378:3
336:2
332:4
328:2
326:)
324:4
320:3
280:ε
277:n
273:ω
270:n
211:4
155:2
153:1
151:2
149:1
147:4
145:P
75:2
71:4
67:2
65:)
63:4
59:3
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