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Mitolo, D.; Pinto, D.; Garavelli, A.; Bindi, L.; Vurro, F. (May 2009). "The role of the minor substitutions in the crystal structure of natural challacolloite, KPb2Cl5, and hephaistosite, TlPb2Cl5, from
Vulcano (Aeolian Archipelago, Italy)".
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The new mineral challacolloite, KPb2Cl5, the natural occurrence of a technically known laser material,
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Honey yellow
Challacolloite crystals from the famous locality of La Fossa Crater (Vulcano Island,
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volcano in Japan. It was recognized as a valid mineral species by the IMA (
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It was first described from a finding at the
Challacollo Mine,
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and thereafter identified in specimens from the 1855
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475:Jochen Schlüter, Dieter Pohl and Sergey Britvin;
231:Biaxial (+), a=2.004, b=2.01, g=2.024, bire=0.0200
479:N. Jb. Miner. Abh., 2005, Vol.182/1, p. 95–101
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324:International Mineralogical Association
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360:"IMA–CNMNC approved mineral symbols"
505:. You can help Knowledge (XXG) by
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292:. It occurs as intergrowths with
241:nα = 2.004 nβ = 2.010 nγ = 2.024
170:Brittle, subconchoidal fragments
497:This article about a specific
1:
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572:Minerals in space group 14
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465:Mindat with location data
430:10.1007/s00710-008-0041-2
276:system (with space group
272:. It crystallizes in the
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410:Mineralogy and Petrology
223:4.77 g/cm3 (Calculated)
35:Aeolian Islands, Sicily
364:Mineralogical Magazine
337:crystals are used for
329:Artificially grown KPb
307:eruption and from the
284:) and occurs as white
83:Strunz classification
577:Halide mineral stubs
567:Monoclinic minerals
422:2009MinPe..96..121M
385:10.1180/mgm.2021.43
376:2021MinM...85..291W
358:Warr, L.N. (2021).
268:, is a rare halide
150:Colourless to white
93:Dana classification
552:Potassium minerals
318:and also from the
228:Optical properties
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288:encrustations on
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213:4.77 (Calculated)
193:Adamantine/Greasy
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416:(1–2): 121–128.
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251:67° (calculated)
237:Refractive index
209:Specific gravity
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63:(repeating unit)
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16:Chloride mineral
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562:Halide minerals
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320:Satsuma-Iwojima
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117:2/m - Prismatic
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499:halide mineral
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370:(3): 291–320.
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345:External links
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305:Mount Vesuvius
301:Iquique, Chile
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258:Challacolloite
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132:Identification
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103:Crystal system
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87:3.AA.55 (10th)
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22:Challacolloite
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557:Lead minerals
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156:Crystal habit
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507:expanding it
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138:Formula mass
326:) in 2005.
546:Categories
451:Webmineral
274:monoclinic
176:Mohs scale
107:Monoclinic
73:IMA symbol
438:128797167
394:235729616
309:Kudryavyi
294:cotunnite
286:fumarolic
160:Aggregate
142:630.83 gm
123:Unit cell
247:2V angle
179:hardness
166:Fracture
127:878.2 ų
97:11.4.2.1
48:Category
37:, Italy)
418:Bibcode
372:Bibcode
316:Kuriles
314:in the
312:volcano
270:mineral
219:Density
67:KPb2Cl5
59:Formula
52:Mineral
43:General
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339:lasers
199:Streak
189:Luster
147:Colour
501:is a
434:S2CID
390:S2CID
260:, KPb
203:White
503:stub
290:lava
481:pdf
426:doi
380:doi
183:2-3
77:Chc
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333:Cl
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282:/c
278:P2
264:Cl
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335:5
331:2
280:1
266:5
262:2
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