37:
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36:
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105:
689:
507:
811:
743:
242:
467:
275:
801:
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796:
115:
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791:
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95:
232:
222:
649:
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430:
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212:
167:
727:
723:
552:
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62:
715:
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125:
55:
770:
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329:
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137:
583:
Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005).
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17:
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651:
Mineralogy and geology of the
Poudrette quarry, Mont SaintHilaire, Quebec
618:
494:
434:
407:
349:
557:
532:
510:(GIA) identified an 11.78-carat faceted specimen as neptunite based on
499:
413:
392:
483:
475:
459:
419:
386:
440:
It was first described in 1893 for an occurrence in the Narssârssuk
396:
731:
493:, Roman god of the sea because of its association with
174:
c = 9.975(1) Å; β = 115.56(1)°; Z = 4
425:. With increasing manganese it forms a series with
366:
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51:
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29:
751:
8:
648:Normand, Charles; Tarassoff, Peter (2006).
344:x = yellow-orange, y = orange, z = deep red
758:
744:
578:
576:
556:
676:Cooper, Amy; Allen, Tara (Summer 2013).
613:
611:
609:
523:
437:replacing the titanium in the formula.
187:Black; deep red-brown in thin fragments
26:
657:. Mineralogical Association of Canada
7:
712:
710:
533:"IMA–CNMNC approved mineral symbols"
730:. You can help Knowledge (XXG) by
25:
714:
690:Gemological Institute of America
508:Gemological Institute of America
35:
722:This article about a specific
1:
468:San Benito County, California
172:a = 16.427(2), b = 12.478(2)
503:, the Scandinavian sea-god.
828:
709:
448:. It is also found within
807:Minerals in space group 9
594:. Mineral Data Publishing
489:The mineral is named for
34:
678:"Rare faceted neptunite"
470:, US. It also occurs in
207:Interpenetrant on {301}
812:Silicate mineral stubs
592:Handbook of Mineralogy
537:Mineralogical Magazine
359:Other characteristics
106:Strunz classification
433:is the variety with
197:Prismatic or tabular
802:Monoclinic minerals
682:Gems & Gemology
558:10.1180/mgm.2021.43
549:2021MinM...85..291W
531:Warr, L.N. (2021).
116:Dana classification
782:Potassium minerals
512:Raman spectroscopy
472:Mont Saint-Hilaire
295:Optical properties
270:Brown to red brown
41:Neptunite crystals
797:Titanium minerals
739:
738:
382:with the formula
373:
372:
150:
16:(Redirected from
819:
787:Lithium minerals
760:
753:
746:
724:silicate mineral
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427:mangan-neptunite
380:silicate mineral
304:Refractive index
286:Specific gravity
247:
144:
68:
67:(repeating unit)
39:
27:
21:
18:Manganoneptunite
827:
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792:Sodium minerals
777:Phyllosilicates
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543:(3): 291–320.
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480:Kola Peninsula
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324:= 1.7194–1.736
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312:= 1.69–1.6908,
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179:Identification
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126:Crystal system
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56:Phyllosilicate
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362:Piezoelectric
361:
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341:
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334:0.0294–0.0452
333:
331:
330:Birefringence
327:
318:= 1.6927–1.7,
307:
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280:Nearly opaque
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193:Crystal habit
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138:Crystal class
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732:expanding it
721:
706:
693:. Retrieved
685:
681:
671:
659:. Retrieved
650:
643:
632:
619:
596:. Retrieved
591:
540:
536:
526:
505:
498:
488:
464:serpentinite
439:
431:Watatsumiite
426:
375:
374:
160:
142:Domatic (m)
585:"Neptunite"
478:and in the
457:glaucophane
340:Pleochroism
298:Biaxial (+)
276:Diaphaneity
156:Space group
120:70.04.01.01
771:Categories
637:Webmineral
625:Mindat.org
518:References
367:References
354:36° to 49°
243:Mohs scale
227:Conchoidal
217:{110} good
147:H-M symbol
131:Monoclinic
96:IMA symbol
695:April 18,
620:Neptunite
567:235729616
450:natrolite
446:Greenland
442:pegmatite
376:Neptunite
290:3.19–3.23
168:Unit cell
75:Li(Fe,Mn)
30:Neptunite
661:12 March
598:14 March
495:aegirine
444:of West
435:vanadium
350:2V angle
260:Vitreous
246:hardness
233:Tenacity
223:Fracture
213:Cleavage
203:Twinning
52:Category
545:Bibcode
491:Neptune
462:within
237:Brittle
110:9.EH.05
63:Formula
47:General
565:
484:Russia
476:Quebec
460:schist
266:Streak
256:Luster
145:(same
726:is a
688:(2).
655:(PDF)
588:(PDF)
563:S2CID
497:from
453:veins
378:is a
184:Color
728:stub
697:2019
663:2022
600:2022
506:The
500:Ă€gir
553:doi
482:of
466:in
455:in
250:5–6
100:Npt
71:KNa
773::
686:49
684:.
680:.
623:,
608:^
590:.
575:^
561:.
551:.
541:85
539:.
535:.
514:.
486:.
474:,
429:.
423:24
414:Si
408:Ti
401:Mn
399:,
397:Fe
393:Li
387:Na
161:Cc
89:24
83:Si
79:Ti
759:e
752:t
745:v
734:.
699:.
665:.
602:.
569:.
555::
547::
420:O
417:8
411:2
405:2
403:)
395:(
390:2
384:K
322:Îł
320:n
316:β
314:n
310:α
308:n
149:)
87:O
85:8
81:2
77:2
73:2
20:)
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