531:
872:
25:
133:
997:
Kornprobst J., Piboule M., Boudeulle M. & Roux L.- 1982. Corundum-bearing pyroxenites at Beni
Bousera (Morocco): an exceptionally Al-rich clinopyroxene from « grospydites » associated with ultramafic rocks. IIId Int. Kimberlites Conf., Terra Cognita, 2, 3,
596:
of 0.006–0.007, biaxial negative. Refractive index values may correspond to colour: brownish green specimens will possess the highest values, purplish-pink specimens the lowest, and blue specimens will be intermediate between them.
541:
Typical colours range from light to dark sapphire blue, bluish to brownish green, green, and bluish or greenish gray to black; less common colours include yellow, pale red, and pink to purplish pink. Sapphirine is relatively hard (7.5 on
1007:
Kornprobst J., Piboule M., Roden M. & Tabit A.- 1990. Corundum-bearing garnet clinopyroxenites at Beni
Bousera (Morocco): original plagioclase-rich gabbros recrystallized at depth within the mantle ? J. Petrology, 31, 3,
875:
Thin inner rim of sapphirine (Sa, light blue) associated with a garnet outer rim (Gt, light pink) in a coronite having crystallized in between green spinel (Sp) and Al-rich clinopyroxene.
879:
Sapphirine was also reported as a reaction product (together with garnet) in between Mg-Al-spinel and Ca-Tschermak-rich clinopyroxene in corundum-bearing mantle pyroxenites.
601:
may be extreme, with trichroic colours ranging from: colourless, pale yellow or red; sky to lavender blue, or bluish-green; to dark blue. There is no reaction under
710:) of Sri Lanka has long been known as a source of facetable greenish blue to dark blue material, and crystals up to 30 mm or more in size have been found in
1054:
424:
X = colorless, pale reddish, yellowish green, pale yellow; Y = sky-blue, lavender-blue, bluish green; Z = blue, sapphire-blue, dark blue
1049:
945:
108:
195:
543:
326:
46:
359:
89:
61:
1044:
1029:
1024:
861:
699:
42:
68:
35:
833:
613:
While there is evidence of magmatic origin in some deposits, sapphirine is primarily a product of high grade
825:
758:
185:
75:
849:
821:
778:
1034:
711:
316:
790:
57:
909:
853:
750:
857:
845:
547:
349:
339:
782:
1039:
927:
754:
621:
and rich in magnesium and aluminium. However, sapphirine occurs in a variety of rocks, including
570:
515:
306:
809:
692:
801:
707:
257:
506:-like colour, sapphirine is primarily of interest to researchers and collectors: well-formed
917:
841:
817:
786:
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715:
585:
574:
562:
467:
387:
369:
296:
158:
151:
795:
952:
829:
913:
530:
82:
837:
766:
742:
554:
263:
205:
137:
Indigo-blue sapphirine crystal from Ft. Dauphin, Madagascar (size: 2.1 x 1.9 x 1.4 cm)
1018:
931:
865:
633:
593:
558:
409:
286:
223:
871:
738:
723:
614:
519:
698:
Large crystals of fine clarity and colour are known from very few locales: The
684:
668:
652:
626:
602:
598:
419:
239:
132:
24:
722:(Androy and Anosy regions), southern Madagascar. Sapphirine's type locality is
986:
774:
746:
730:
region, western
Greenland, which is where the mineral was discovered in 1819.
703:
676:
656:
551:
535:
211:
680:
640:
622:
472:
463:
459:
216:
813:
762:
660:
644:
566:
511:
503:
476:
455:
429:
922:
897:
805:
770:
734:
672:
648:
578:
507:
484:
451:
975:
688:
664:
629:
618:
589:
491:
870:
636:
569:
is subconchoidal to uneven, and there is one direction of perfect
529:
727:
499:
18:
281:
Light to dark blue or green, white, gray, pale red, yellow
592:
light, 589.3 nm) ranges from 1.701 to 1.718 with a
546:), usually transparent to translucent, with a vitreous
840:, Outer Hebrides, Scotland; the Bani Hamid area of
438:
428:
418:
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378:
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147:
142:
125:
49:. Unsourced material may be challenged and removed.
16:
Rare mineral, a silicate of magnesium and aluminium
733:Other notable localities include: Western Hoggar,
557:, sapphirine is typically anhedral or granular in
828:, Halland County, Sweden; Mautia Hill in the
311:Poor to indistinct on {100}, {001}, and {010}
8:
816:, Nordland, Norway; the Messina District of
561:, but may also be tabular or in aggregates:
268:c = 9.93 Å; β = 125.5°; Z = 4
577:of sapphirine is 3.54–3.51, and its
131:
921:
109:Learn how and when to remove this message
510:are treasured and occasionally cut into
494:
488:
480:
177:
173:
169:
888:
122:
7:
898:"IMA–CNMNC approved mineral symbols"
749:; Delegate, New South Wales and the
502:as a major impurity). Named for its
47:adding citations to reliable sources
14:
820:and the Okiep Copper District of
518:for experimental purposes via a
23:
647:. Associated minerals include:
252:Other polytypes: 3A, 5A, 2M, 4M
34:needs additional citations for
588:(as measured by monochromatic
228:2M polytype: prismatic (2/m)
1:
866:The Eastern Ghats Mobile Belt
844:, United Arab Emirates; the
862:Clay County, North Carolina
514:. Sapphirine has also been
291:Anhedral, granular, tabular
1071:
1055:Minerals in space group 10
834:Central Province, Tanzania
364:Transparent to translucent
1050:Minerals in space group 2
230:1A polytype: pinacoidal (
130:
946:"Handbook of Mineralogy"
737:; the Napier complex of
643:; it is also known from
617:in environments poor in
609:Formation and occurrence
826:Falkenberg Municipality
550:. Crystallising in the
321:Subconchoidal to uneven
902:Mineralogical Magazine
876:
850:La Paz County, Arizona
822:Northern Cape Province
538:
874:
533:
196:Strunz classification
854:Riley County, Kansas
777:, Lapland, Finland;
434:Measured: 47 to 114°
43:improve this article
923:10.1180/mgm.2021.43
914:2021MinM...85..291W
896:Warr, L.N. (2021).
858:Cortlandt, New York
846:Dome Rock Mountains
804:, Piedmont, Italy;
789:, Saxony, Germany;
1045:Triclinic minerals
1030:Aluminium minerals
1025:Magnesium minerals
877:
755:Northern Territory
539:
379:Optical properties
266:, b = 14.4 Å
802:Province of Cuneo
791:Dora-Maira-Massiv
773:province, China;
445:
444:
414:δ = 0.004 – 0.005
400:= 1.703 – 1.732 n
396:= 1.701 – 1.729 n
301:Uncommon on {001}
119:
118:
111:
93:
1062:
1009:
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995:
989:
984:
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967:
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963:
957:
951:. Archived from
950:
942:
936:
935:
925:
893:
842:Semail Ophiolite
824:, South Africa;
818:Limpopo Province
799:
751:Strangways Range
720:Toliara Province
716:Betroka District
700:Central Province
586:refractive index
575:specific gravity
534:Sapphirine from
497:
468:chemical formula
388:Refractive index
370:Specific gravity
331:
250:
233:
180:
164:
163:(repeating unit)
152:Silicate mineral
135:
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100:
94:
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51:
27:
19:
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987:Webmineral data
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810:Møre og Romsdal
793:
611:
528:
496:
490:
482:
471:
404:= 1.705 – 1.734
403:
399:
395:
329:
267:
262:a = 11.27
251:
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231:
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214:
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40:
28:
17:
12:
11:
5:
1068:
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1037:
1032:
1027:
1017:
1016:
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1010:
1000:
990:
979:
968:
937:
908:(3): 291–320.
887:
886:
884:
881:
838:Isle of Harris
743:Vestfold Hills
610:
607:
527:
524:
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273:Identification
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206:Crystal system
202:
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31:
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22:
15:
13:
10:
9:
6:
4:
3:
2:
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1038:
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958:on 2021-11-25
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852:, Stockdale,
851:
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843:
839:
835:
831:
830:Kongwa region
827:
823:
819:
815:
811:
807:
803:
797:
792:
788:
784:
783:Midi-Pyrénées
780:
776:
772:
768:
764:
760:
757:, Australia;
756:
752:
748:
744:
740:
736:
731:
729:
726:(Fiskenaes),
725:
721:
717:
713:
709:
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701:
696:
694:
690:
686:
682:
678:
674:
670:
666:
662:
658:
654:
650:
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642:
638:
635:
634:calc-silicate
631:
628:
624:
620:
616:
608:
606:
604:
600:
595:
594:birefringence
591:
587:
584:Sapphirine's
582:
580:
576:
572:
568:
565:is uncommon.
564:
560:
556:
553:
549:
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537:
532:
525:
523:
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417:
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411:
410:Birefringence
407:
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328:
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308:
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300:
298:
294:
290:
288:
287:Crystal habit
284:
280:
276:
271:
265:
261:
259:
255:
247:
244:1A polytype:
243:
241:
237:
227:
225:
224:Crystal class
221:
218:
215:1A polytype:
213:
210:2M polytype:
209:
207:
203:
199:
197:
193:
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187:
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99:December 2022
91:
88:
84:
81:
77:
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70:
67:
63:
60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
1035:Inosilicates
1003:
993:
982:
971:
960:. Retrieved
953:the original
940:
905:
901:
891:
878:
739:Enderby Land
732:
724:Fiskenaesset
712:Fianarantsoa
697:
615:metamorphism
612:
583:
540:
520:hydrothermal
447:
446:
245:
120:
105:
96:
86:
79:
72:
65:
58:"Sapphirine"
53:
41:Please help
36:verification
33:
794: [
759:Wilson Lake
685:sillimanite
669:kornerupine
653:chrysoberyl
627:amphibolite
603:ultraviolet
599:Pleochroism
516:synthesized
466:, with the
420:Pleochroism
382:Biaxial (−)
360:Diaphaneity
240:Space group
1019:Categories
976:Mindat.org
962:2011-10-23
883:References
785:, France;
747:Antarctica
704:Hakurutale
693:surinamite
677:phlogopite
657:cordierite
641:quartzites
581:is white.
552:monoclinic
544:Mohs scale
536:Madagascar
526:Properties
450:is a rare
448:Sapphirine
439:References
327:Mohs scale
212:monoclinic
186:IMA symbol
126:Sapphirine
69:newspapers
1040:Gemstones
932:235729616
681:scapolite
645:xenoliths
623:granulite
522:process.
512:gemstones
464:aluminium
460:magnesium
374:3.40–3.58
258:Unit cell
217:triclinic
864:; India
787:Waldheim
763:Labrador
741:and the
708:Munwatte
661:corundum
571:cleavage
567:Fracture
563:Twinning
508:crystals
504:sapphire
456:silicate
430:2V angle
344:Vitreous
330:hardness
317:Fracture
307:Cleavage
297:Twinning
148:Category
1008:717-745
998:257-259
910:Bibcode
806:Ulstein
775:Kittilä
771:Jiangsu
767:Donghai
753:of the
735:Algeria
673:kyanite
649:calcite
605:light.
452:mineral
200:9.DH.45
172:(Al,Si)
168:(Mg,Al)
159:Formula
143:General
83:scholar
930:
860:; and
812:, and
779:Ariège
718:) and
691:, and
689:spinel
665:garnet
639:, and
637:skarns
630:facies
619:silica
590:sodium
579:streak
573:. The
555:system
548:lustre
498:(with
350:Streak
340:Lustre
278:Colour
85:
78:
71:
64:
56:
956:(PDF)
949:(PDF)
928:S2CID
814:Meløy
798:]
559:habit
354:White
90:JSTOR
76:books
728:Nuuk
706:and
625:and
500:iron
483:(Al,
462:and
454:, a
62:news
918:doi
848:of
832:of
745:of
458:of
334:7.5
190:Spr
45:by
1021::
926:.
916:.
906:85
904:.
900:.
868:.
856:;
836:;
808:,
800:,
796:de
781:,
769:,
765:;
761:,
695:.
687:,
683:,
679:,
675:,
671:,
667:,
663:,
659:,
655:,
651:,
632:,
495:20
485:Si
477:Al
473:Mg
178:20
965:.
934:.
920::
912::
714:(
702:(
492:O
489:6
487:)
481:8
479:)
475:,
470:(
402:γ
398:β
394:α
392:n
264:Å
249:1
246:P
234:)
232:1
176:O
174:6
170:8
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
