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Challacolloite

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Formula:
KPb2Cl5
Colour:
Colourless to white
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
4.77 (Calculated)
Crystal System:
Monoclinic
Name:
Named after its type locality
Isostructural with:
Hide all sections | Show all sections

Classification of ChallacolloiteHide

Approved
Approval Year:
2005
3.AA.55

3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
11.4.2.1

11 : HALIDE COMPLEXES
4 : AmBX5·xH2O

Physical Properties of ChallacolloiteHide

Adamantine
Colour:
Colourless to white
Hardness:
2 - 3 on Mohs scale
Density:
4.77 g/cm3 (Calculated)

Optical Data of ChallacolloiteHide

Type:
Biaxial (+)
RI values:
nα = 2.004 nβ = 2.010 nγ = 2.024
2V:
Calculated: 67°
Max Birefringence:
δ = 0.020
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of ChallacolloiteHide

Formula:
KPb2Cl5

Crystallography of ChallacolloiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 8.864 Å, b = 7.932 Å, c = 12.491 Å
β = 90.153°
Ratio:
a:b:c = 1.117 : 1 : 1.575
Unit Cell V:
878.2 ų
Z:
4

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.686 (100)
3.609 (49)
2.669 (42)
8.855 (39)
3.961 (31)
Comments:
Format: d/Å (I/%) (hkl)

Type Occurrence of ChallacolloiteHide

General Appearance of Type Material:
thin crusts
Geological Setting of Type Material:
hydrothermal phases
Associated Minerals at Type Locality:

Synonyms of ChallacolloiteHide

Other Language Names for ChallacolloiteHide

Simplified Chinese:氯钾铅矿
Traditional Chinese:氯鉀鉛礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Uklonskovite4 photos of Challacolloite associated with Uklonskovite on mindat.org.
Pseudoboleite3 photos of Challacolloite associated with Pseudoboleite on mindat.org.
Cotunnite3 photos of Challacolloite associated with Cotunnite on mindat.org.
Nitratine2 photos of Challacolloite associated with Nitratine on mindat.org.
Bismuthinite2 photos of Challacolloite associated with Bismuthinite on mindat.org.
Hemimorphite1 photo of Challacolloite associated with Hemimorphite on mindat.org.
Galena1 photo of Challacolloite associated with Galena on mindat.org.
Pseudocotunnite1 photo of Challacolloite associated with Pseudocotunnite on mindat.org.
Cannizzarite1 photo of Challacolloite associated with Cannizzarite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

3.AA.05MarshiteCuIIso. 4 3m : F4 3m
3.AA.05Miersite(Ag,Cu)IIso. 4 3m : F4 3m
3.AA.05NantokiteCuClIso. 4 3m : F4 3m
3.AA.05UM1999-11:I:CuSCu(I,S)
3.AA.10IodargyriteAgIHex. 6mm : P6mm
3.AA.10Tocornalite(Ag,Hg)I
3.AA.15BromargyriteAgBrIso. m3m (4/m 3 2/m) : Fm3m
3.AA.15ChlorargyriteAgClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20CarobbiiteKFIso. m3m (4/m 3 2/m)
3.AA.20GriceiteLiFIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20HaliteNaClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20SylviteKClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20VilliaumiteNaFIso. m3m (4/m 3 2/m) : Fd3m
3.AA.25SalammoniacNH4ClIso. 4 3 2
3.AA.25UM1998-03-Cl:TlTlCl
3.AA.25LafossaiteTl(Cl,Br)Iso. m3m (4/m 3 2/m) : Pm3m
3.AA.30Calomel(Hg2)2+Cl2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.AA.30Kuzminite(Hg2+2)(Br,Cl)2Tet.
3.AA.30Moschelite(Hg2+2)I2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.AA.35NeighboriteNaMgF3Orth. mmm (2/m 2/m 2/m)
3.AA.40ChlorocalciteKCaCl3Orth. mmm (2/m 2/m 2/m) : Pnma
3.AA.45KolaritePbTeCl2Orth.
3.AA.50RadhakrishnaitePbTe3(Cl,S)2Tet.
3.AA.60HephaistositeTlPb2Cl5Mon. 2/m : P21/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ChallacolloiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
J. Schlüter, D. Pohl and S. Britvin (2005): The new mineral challacolloite, KPb2Cl5, the natural occurrence of a technically known laser material. N. Jb. Min. Abh. 182, 95-101.
Mitolo D., Pinto D., Garavelli A., Bindi L. & Vurro F. (2009): The role of the minor substitutions in the crystal structure of natural challacolloite, KPb2Cl5, and hephaistosite, TlPb2Cl5, from Vulcano (Aeolian Archipelago, Italy). Mineralogy and Petrology 96, 121-128.

Internet Links for ChallacolloiteHide

Localities for ChallacolloiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Sierra Gorda District
        • Caracoles
Brugger J, Meisser N, Ansermat S, Krivovichev S V, Kahlenberg V, Belton D, Ryan C G (2012) Leucostaurite, Pb2[B5O9]Cl·0.5H2O, from the Atacama Desert: The first Pb-dominant member of the hilgardite group, and micro-determination of boron minerals by PIGE. American Mineralogist 97, 1206-1212
  • Tarapacá Region
    • El Tamarugal Province
      • Challacollo
J. Schlüter at al.: N. Jb. Min. Abh. 182(1):95-101 (2005)
Italy
 
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
Schlüter, J., at al., (2005): The new mineral challacolloite, KPb2Cl5, the natural occurrence of a technically known laser material, N. Jb. Min. Abh. 182(1):95-101
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
Mitolo D., Pinto D., Garavelli A., Bindi L. & Vurro F. (2009): The role of the minor substitutions in the crystal structure of natural challacolloite, KPb2Cl5, and hephaistosite, TlPb2Cl5, from Vulcano (Aeolian Archipelago, Italy). Mineralogy and Petrology 96, 121-128.
Japan
 
  • Kyushu Region
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Mishima village
Africano, F., Van Rompaey, G., Bernard, A., Le Guern, F. (2002): Deposition of trace elements from high-temperature gases of Satsuma-Iwojima volcano. Earth, Planets and Space, 54, 275-286.
F. Africano, G. Van Rompaey, A. Bernard, F. Le Guern (2002) Deposition of trace elements from high temperature gases of Satsuma-Iwojima volcano. Earth Planets Space 54, 275-286.
Russia
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
Pekov, I.V., Zubkova, N.V., Pautov, L.A., Yapaskurt, V.O., Chukanov, N.V., Lykova, I.S., Britvin, S.N., Sidorov, E.G. and Pushcharovsky, D.Y. (2015): Chubarovite,KZn2(BO3)Cl2, a new mineral species from the Tolbachik volcano, Kamchatka, Russia. Canadian Mineralogist. 53: 273-284.
Pekov, I. V., Zubkova, N. V., Britvin, S. N., Yapaskurt, V. O., Chukanov, N. V., Lykova, I. S., ... & Pushcharovsky, D. Y. (2015). New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3· 2H2O. European Journal of Mineralogy, 27(6), 805-812
    • Sakhalinskaya Oblast'
      • Kuril Islands (Kurile Islands)
        • Iturup Island
• Tkachenko, S.I., Porter, R.P., Khorzhinskii, M.A., Van Bergen, M.D., Shmulovich, K.I., Shteinberg, G.S. (1999): Ore and mineral formation from high-temperature fumarole gases at Kudryavyi volcano, Iturup island, Kuril Islands. Geokhimika, 4, 410-422.
Mineral and/or Locality  
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