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Luoxianchangite

A valid IMA mineral species - pending publication
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The partially Se-substituted analogue of canfieldite


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Unique IdentifiersHide

Mindat ID:
500181
Long-form identifier:
mindat:1:1:500181:7

IMA Classification of LuoxianchangiteHide

IMA status:
Approved, Pending publication

Classification of LuoxianchangiteHide

Strunz-mindat (2026):
2.BA.

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
LxcIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Chemistry of LuoxianchangiteHide

Mindat Formula:
Ag8SnS4Se2
Element Weights:
Element% weight
Ag68.065 %
Se12.456 %
S10.117 %
Sn9.363 %

Calculated from ideal end-member formula.
Ag
Se
S
Sn
Elements listed:
Ag, S, Se, Sn - search for minerals with similar chemistry

Crystallography of LuoxianchangiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm(2/m2/m2/m) - Dipyramidal
Cell Parameters:
a = 7.740(1) Å, b = 7.68(2) Å, c = 10.79(2) Å
Ratio:
a:b:c = 1.008 : 1 : 1.405
Unit Cell V:
641.39 ų (Calculated from Unit Cell)
Comment:
Space group Pmn21

X-Ray Powder DiffractionHide

Type Occurrence of LuoxianchangiteHide

Type Locality:
ⓘ Shuangjianzishan Ag-polymetallic deposit, Bairin Left Banner (Balin Zuoqi), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, China
Place of Conservation of Type Material:
Type material is deposited in the collections of the Geological Museum of China, No. 16, Yangrou Hutong, Xisi, Beijing 100031, People’s Republic of China, catalogue number GMCTM2026001

Related Minerals - Strunz-mindat GroupingHide

2.BA.MakotoiteAg12(Cu3Au)S8Trig. 3m(32/m) : R3c
2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.DzierżanowskiteCaCu2S2Trig. 3m(32/m) : P3m1
2.BA.XuwenyuaniteAg9Fe3+Te2S4Iso. 43m : F43m
2.BA.'Orileyite'(Fe,Cu)2As
2.BA.JuxingiteBi6Cu+138Cu2+2Fe3+30S125Iso. 43m : F43m
2.BA.05DjurleiteCu31S16Mon. 2/m : P21/c
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu58S32Tric. 1 : P1
2.BA.05ChalcociteCu2SMon. 2/m : P21/c
2.BA.10DigeniteCu9S5Trig. 3m(32/m) : R3m
2.BA.10AniliteCu7S4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.15BorniteCu5FeS4Orth. mmm(2/m2/m2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2-xSe (x ≈ 0.12)Iso. m3m(4/m32/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet. 42m : P421m
2.BA.30RickarditeCu7Te5Orth. mmm(2/m2/m2/m) : Pmmn
2.BA.30WeissiteCu2-xTeHex. 6/mmm(6/m2/m2/m) : P6/mmm
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.35SpryiteAg8(As3+0.5As5+0.5)S6Orth. mm2 : Pna21
2.BA.40d'UM2003-13-S:AgAuCu'Ag6AuCu2S5
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm(2/m2/m2/m)
2.BA.42HoneaiteAu3TlTe2 Orth. mmm(2/m2/m2/m) : Pbcm
2.BA.45JalpaiteAg3CuS2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45KuriliteAg8Te3SeTrig. 3 : R3
2.BA.47Spiridonovite(Cu1-xAgx)2TeTrig. 3m(32/m) : P3c1
2.BA.50WuyanzhiiteCu2STet. 422 : P43212
2.BA.50EucairiteAgCuSeOrth.
2.BA.52'Argentite'Ag2SIso.
2.BA.55NaumanniteAg2SeOrth. 222 : P212121
2.BA.55AguilariteAg4SeSMon. 2/m : P21/c
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.60HessiteAg2TeMon. 2/m : P21/c
2.BA.60CervelleiteAg4TeSMon. 2/m : P21/c
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40Iso. m3m(4/m32/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 43m : F43m
2.BA.70CanfielditeAg8SnS6Orth. mm2 : Pna21
2.BA.75FischesseriteAg3AuSe2Iso. 432 : I4132
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m(32/m) : R3c
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex. 622 : P6322
2.BA.75PetrovskaiteAuAgSMon.
2.BA.75PetziteAg3AuTe2Iso. 432 : I4132
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

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.

Internet Links for LuoxianchangiteHide

References for LuoxianchangiteHide

Localities for LuoxianchangiteHide

Showing 1 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
China (TL)
 
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Bairin Left Banner (Balin Zuoqi)
Zhang et al. (2026)
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