26:
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103:
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113:
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51:
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44:
582:
512:
25:
353:
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669:
530:
315:
146:
398:
It was first described in 1967 for an occurrence in the
Lupikko Mine, Ladoga Region
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Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
70:
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372:
O). It is colorless and leaves a white streak. Its crystals are
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380:. It is transparent and has vitreous luster. It is not
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196:Z = 2; V = 90.76 Ă… (2H polytype)
565:http://www.webmineral.com/data/Berborite.shtml
650:
8:
657:
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24:
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542:
540:
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155:2T polytype: Ditrigonal pyramidal (3m)
15:
578:
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7:
607:
605:
497:"IMA–CNMNC approved mineral symbols"
629:. You can help Knowledge (XXG) by
548:http://www.mindat.org/min-629.html
194:a = 4.43 Ă…, c = 5.34 Ă…;
14:
466:in the Karelia occurrence and in
406:. It has also been reported from
609:
391:Berborite occurs in 1T, 2T, 2H
617:This article about a specific
384:. Berborite is rated 3 on the
1:
706:Minerals in space group 173
696:Minerals in space group 158
691:Minerals in space group 143
153:2H polytype: Pyramidal (6)
151:1T polytype: Pyramidal (3)
727:
604:
23:
583:Handbook of Mineralogy
501:Mineralogical Magazine
30:Berborite on natrolite
310:nω = 1.580 nε = 1.485
104:Strunz classification
446:in association with
522:10.1180/mgm.2021.43
513:2021MinM...85..291W
495:Warr, L.N. (2021).
114:Dana classification
701:Hexagonal minerals
676:Beryllium minerals
297:Optical properties
686:Trigonal minerals
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637:
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262:Vitreous (Glassy)
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438:. It occurs in
420:Siktesøya Island
400:Karelia Republic
358:chemical formula
306:Refractive index
249:
57:
56:(repeating unit)
28:
16:
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681:Borate minerals
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594:Mineralienatlas
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563:Webmineral.com
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424:Langesundsfjord
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45:Borate minerals
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11:
5:
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507:(3): 291–320.
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354:borate mineral
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229:{0001} Perfect
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201:Identification
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124:Crystal system
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2:
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712:
711:Mineral stubs
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316:Birefringence
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180:2T polytype:
177:
171:2H polytype:
168:
165:1T polytype:
164:
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148:
147:Crystal class
144:
141:
138:2T polytype:
136:
133:2H polytype:
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128:1T polytype:
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631:expanding it
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450:enriched in
397:
390:
346:
345:
329:fluorescence
300:Uniaxial (-)
181:
172:
166:
546:Mindat.org
478:in Norway.
382:radioactive
326:Ultraviolet
282:Transparent
278:Diaphaneity
161:Space group
670:Categories
623:mineraloid
482:References
476:thomsonite
440:serpentine
386:Mohs Scale
368:)(OH,F)·(H
338:References
245:Mohs scale
178:(no. 173)
169:(no. 143)
94:IMA symbol
531:235729616
472:natrolite
460:beryllium
456:strontium
428:Porsgrunn
393:polytypes
378:pyramidal
374:hexagonal
356:with the
351:beryllium
347:Berborite
320:δ = 0.095
209:Colorless
190:Unit cell
184:(no. 158)
135:Hexagonal
19:Berborite
452:tungsten
444:dolomite
442:altered
432:Telemark
416:Vestfold
408:Tvedalen
248:hardness
235:Fracture
225:Cleavage
215:Twinning
140:Trigonal
130:Trigonal
118:26.1.1.1
41:Category
619:mineral
509:Bibcode
288:Density
219:Complex
108:6.AB.10
52:Formula
36:General
529:
436:Norway
418:, and
412:Larvik
404:Russia
268:Streak
258:Luster
625:is a
527:S2CID
470:with
464:boron
448:skarn
349:is a
272:white
206:Color
627:stub
474:and
468:vugs
462:and
333:none
182:P3c1
621:or
517:doi
376:to
364:(BO
292:2.2
98:Bbo
84:)•H
76:)(O
672::
571:^
554:^
539:^
525:.
515:.
505:85
503:.
499:.
458:,
454:,
434:,
430:,
426:,
422:,
414:,
410:,
402:,
395:.
388:.
360:Be
173:P6
167:P3
61:Be
658:e
651:t
644:v
633:.
533:.
519::
511::
370:2
366:3
362:2
252:3
175:3
88:O
86:2
82:F
80:,
78:H
74:3
71:O
68:B
66:(
64:2
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