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Mayingite

A valid IMA mineral species
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Formula:
IrBiTe
Colour:
Steel-black
Lustre:
Metallic
Hardness:
4
Specific Gravity:
12.77 (Calculated)
Crystal System:
Isometric
Member of:
Cobaltite Group
Name:
Named after its type locality.
Synthetic cubic IrBiTe is known.


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Unique IdentifiersHide

Mindat ID:
7172
Long-form identifier:
mindat:1:1:7172:3

Similar NamesHide

IMA Classification of MayingiteHide

Classification of MayingiteHide

Strunz-mindat (2026):
2.EB.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
Dana 8th ed.:
2.12.1.19

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2

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

Physical Properties of MayingiteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Steel-black
Streak:
Black
Hardness:
4 on Mohs scale
Hardness:
VHN50=158 - 241 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
None observed
Density:
12.77 g/cm3 (Calculated)

Optical Data of MayingiteHide

Type:
Isotropic
Anisotropism:
None, but somewhat anomalous moderate with bluish or yellowish tint
Bireflectance:
None
Reflectivity:
WavelengthR1 (%)
400nm47.6%
410nm48.7%
420nm49.3%
430nm49.4%
440nm49.5%
450nm49.6%
460nm49.7%
470nm49.8%
480nm49.9%
490nm50.0%
500nm50.2%
510nm50.3%
520nm50.4%
530nm50.6%
540nm50.7%
550nm50.9%
560nm51.0%
570nm51.2%
580nm51.4%
590nm51.6%
600nm51.7%
610nm51.8%
620nm51.9%
630nm52.0%
640nm52.1%
650nm52.2%
660nm52.4%
670nm52.3%
680nm52.3%
690nm52.3%
700nm52.3%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 52.4%.
Colour in reflected light:
Bright white with yellowish tint
Internal Reflections:
None
Pleochroism:
Non-pleochroic

Chemistry of MayingiteHide

Mindat Formula:
IrBiTe
Element Weights:
Element% weight
Bi39.520 %
Ir36.350 %
Te24.130 %

Calculated from ideal end-member formula.
Elements listed:
Bi, Ir, Te - search for minerals with similar chemistry

Crystallography of MayingiteHide

Crystal System:
Isometric
Class (H-M):
m3(2/m3) - Diploidal
Space Group:
Pa3
Cell Parameters:
a = 6.502(4) Å
Unit Cell V:
274.88 ų (Calculated from Unit Cell)
Z:
4

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.89 Å(70)
1.955 Å(100)
1.735 Å(80)
1.250 Å(80)
1.207 Å(70)
1.148 Å(70)
1.054 Å(70)
0.9911 Å(70)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust>4.50
7 : Ultramafic igneous rocks
Near-surface Processes
26 : Hadean detrital minerals
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of MayingiteHide

Type Locality:
ⓘ Maying village, Chengde, Hebei, China
General Appearance of Type Material:
Massive aggregates 0.02~0.2 mm in diameter and as veinlets 0.1~0.2 mm wide and 1.0 mm long.
Place of Conservation of Type Material:
Geological Museum of China, Beijing, China.
Geological Setting of Type Material:
Chromite deposit.
Associated Minerals at Type Locality:
ChromiteNative GoldIrarsite'Iridisite'Laurite
MagnetiteNative Platinum
Reference:
Yu Zuxiang (1995) Mayingite - A new iridium bismuthide-tehuride. Acta Mineralogica Sinica: 15(1): 5-8.

Synonyms of MayingiteHide

Other Language Names for MayingiteHide

Dutch:Mayingiet
German:Mayingit
Russian:Маинит
Spanish:Mayingita

Relationship of Mayingite to other SpeciesHide

Member of:
Cobaltite Group
Other Members of Cobaltite Group:
AndrieslombaarditeRhSbSIso. 23 : P213
ChangchengiteIrBiSIso. 23 : P213
CobaltiteCoAsSOrth. mm2 : Pca21
GersdorffiteNiAsSIso. 23 : P213
GuixiangiteNiBiSIso. 23 : P213
Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
KalungaitePdAsSeIso. m3(2/m3) : Pa3
MaslovitePtBiTeIso. 23 : P213
MicheneritePdBiTeIso. 23 : P213
MilotaitePdSbSeIso. 23 : P213
PadmaitePdBiSeIso. 432
'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
TestibiopalladitePdSbTeIso.
TolovkiteIrSbSIso.
UllmanniteNiSbSIso. 23 : P213
'UM1991-19-Se:AsCo'(Co,Ni)AsSeIso. m3(2/m3) : Pm3
WillyamiteCoSbS

Related Minerals - Strunz-mindat GroupingHide

2.EB.SelenolauriteRuSe2Iso. m3(2/m3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 23 : P213
2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/b
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aVaesiteNiS2Iso. m3(2/m3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3(2/m3) : Pa3
2.EB.05aLauriteRuS2Iso. m3(2/m3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3(2/m3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3(2/m3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3(2/m3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aErlichmaniteOsS2Iso. m3(2/m3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3(2/m3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3(2/m3) : Pa3
2.EB.05aCattieriteCoS2Iso. m3(2/m3) : Pa3
2.EB.05aAurostibiteAuSb2Iso. m3(2/m3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3(2/m3) : Pa3
2.EB.05a v'Cayeuxite'
2.EB.05aKruťaiteCuSe2Iso. m3(2/m3) : Pa3
2.EB.05aPyriteFeS2Iso. m3(2/m3) : Pa3
2.EB.05aInsizwaitePtBi2Iso. m3(2/m3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aDzharkeniteFeSe2Iso. m3(2/m3) : Pa3
2.EB.10aMarcasiteFeS2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm(2/m2/m2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.10ePararammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pbca
2.EB.10aMattagamiteCoTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aPetříčekiteCuSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aKulleruditeNiSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFerroseliteFeSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15bSeinäjokiteFeSb2Orth.
2.EB.15aRammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/b
2.EB.15aNisbiteNiSb2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aLöllingiteFeAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aOmeiiteOsAs2Orth.
2.EB.15aAnduoiteRuAs2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.25MaslovitePtBiTeIso. 23 : P213
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.25SulfopadmaitePdBiSIso. 23 : P213
2.EB.25JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GuixiangiteNiBiSIso. 23 : P213
2.EB.25TestibiopalladitePdSbTeIso.
2.EB.25 va'Antimony-bearing Gersdorffite'Ni(As,Sb)S
2.EB.25KalungaitePdAsSeIso. m3(2/m3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
2.EB.25MicheneritePdBiTeIso. 23 : P213
2.EB.25GersdorffiteNiAsSIso. 23 : P213
2.EB.25MilotaitePdSbSeIso. 23 : P213
2.EB.25TolovkiteIrSbSIso.
2.EB.25'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 23 : P213
2.EB.25KvačekiteNiSbSeIso. 23 : P213
2.EB.25KrutoviteNiAs2Iso. 23 : P213
2.EB.25PadmaitePdBiSeIso. 432
2.EB.25UllmanniteNiSbSIso. 23 : P213
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.EB.35RheniiteReS2Tric. 1 : P1

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 MayingiteHide

References for MayingiteHide

Localities for MayingiteHide

Showing 3 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
 
  • Hebei
    • Chengde
      • Chengde County
        • Gaositai
Zuxiang (1997)
Zuxiang (1997)
Yu Zuxiang (1995)
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