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Pale pink crystal aggregates of the very rare silicate mineral combeite from one of the only 4 localities known worldwide: Mount
Oldoinyo Lengai, Arusha Region,
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342:. It was named for Arthur Delmar Combe of the Geological Survey of Uganda.
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It was first described in 1957 for an occurrence in
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a = 10.42 Ă…, c = 13.14 Ă…; Z = 6
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322:(then ZaĂŻre). It has also been reported from the
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395:"IMA–CNMNC approved mineral symbols"
584:Minerals in space group 152 or 154
517:. You can help Knowledge (XXG) by
349:at Mount Shaheru, Congo; and with
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509:This article about a specific
1:
472:Combeite data from Webmineral
320:Democratic Republic of Congo
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291:Discovery and occurrence
589:Silicate mineral stubs
486:Handbook of Mineralogy
458:Combeite on Mindat.org
399:Mineralogical Magazine
345:It is associated with
98:Strunz classification
376:at Oldoinyo Lengai.
420:10.1180/mgm.2021.43
411:2021MinM...85..291W
393:Warr, L.N. (2021).
267:with the formula Na
124:Trapezohedral (32)
324:Bellerberg volcano
216:Optical properties
579:Trigonal minerals
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569:Calcium minerals
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511:silicate mineral
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308:Mount Nyiragongo
287:crystal system.
265:silicate mineral
225:Refractive index
207:Specific gravity
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63:(repeating unit)
52:Silicate mineral
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16:Silicate mineral
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564:Sodium minerals
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442:Mineralienatlas
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336:Oldoinyo Lengai
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574:Cyclosilicates
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405:(3): 291–320.
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163:Identification
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108:Crystal system
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372:and titanian
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355:clinopyroxene
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243:Birefringence
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177:Crystal habit
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120:Crystal class
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519:expanding it
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351:wollastonite
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219:Uniaxial (+)
181:Stout prisms
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297:nephelinite
283:. It has a
201:Transparent
197:Diaphaneity
138:Space group
558:Categories
380:References
263:is a rare
252:References
129:H-M symbol
88:IMA symbol
429:235729616
374:magnetite
359:nepheline
347:götzenite
338:volcano,
328:Ettringen
247:δ = 0.000
233:= 1.598 n
171:Colorless
154:Unit cell
367:titanian
363:melilite
340:Tanzania
334:and the
285:trigonal
261:Combeite
113:Trigonal
102:9.CJ.15a
48:Category
35:Tanzania
22:Combeite
407:Bibcode
332:Germany
237:= 1.598
59:Formula
43:General
427:
370:garnet
304:tephra
187:Streak
127:(same
513:is a
425:S2CID
300:lavas
211:2.844
191:White
168:Color
515:stub
316:Kivu
312:Goma
302:and
415:doi
326:in
306:on
92:Cbe
560::
478:^
464:^
448:^
423:.
413:.
403:85
401:.
397:.
365:,
361:,
357:,
353:,
330:,
318:,
314:,
310:,
275:Si
271:Ca
148:21
143:P3
75:Si
71:Ca
67:Na
546:e
539:t
532:v
521:.
431:.
417::
409::
281:9
279:O
277:3
273:2
269:2
235:ε
231:ω
229:n
146:1
131:)
81:9
79:O
77:3
73:2
69:2
37:.
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