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Rayite

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Formula:
Pb8(Ag,Tl)2Sb8S21
System:
Monoclinic
Colour:
Lead-gray
Hardness:
Name:
Named after Professor Santosh Kumar Ray, Professor of Petrology.
This page provides mineralogical data about Rayite.

Classification of Rayite

Approved
2.HC.10d

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
3.6.20.5

3 : SULFOSALTS
6 : 2 < ø < 2.49
5.7.46

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
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First Recorded Occurrence of Rayite

Year of Discovery:
1983

Physical Properties of Rayite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Lead-gray
Streak:
Lead-gray
Hardness (Mohs):

Crystallography of Rayite

Crystal System:
Monoclinic
Cell Parameters:
a = 13.6Å, b = 11.96Å, c = 24.49Å
β = 103.94°
Ratio:
a:b:c = 1.137 : 1 : 2.048
Unit Cell Volume:
V 3,866.13 ų (Calculated from Unit Cell)

Chemical Properties of Rayite

Formula:
Pb8(Ag,Tl)2Sb8S21
Essential elements:
All elements listed in formula:
Common Impurities:
Cu

Relationship of Rayite to other Species

2.HC.05bBaumhauerite-2aPb11Ag(As,Sb)18S36
2.HC.05bBaumhaueritePb12As16S36
2.HC.05eChabournéiteTl21-xPb2x(Sb,As)91-xS147 (x = 0-17.5)
2.HC.05dDufrénoysitePb2As2S5
2.HC.05aGuettarditePbAsSbS4
2.HC.05cLiveingitePb9As13S28
2.HC.05fParapierrotiteTl(Sb,As)5S8
2.HC.05fPierrotiteTl2Sb6As4S16
2.HC.05dRathitePb8Pb4-x(Tl2As2)x(Ag2As2)As16S40
2.HC.05aSartoritePbAs2S4
2.HC.05aTwinnite Pb0.8Tl0.1Sb1.3As0.8S4
2.HC.05dVeenitePb2(Sb,As)2S5
2.HC.05gMarumoitePb32As40S92
2.HC.05eDalnegroite(Tl4Pb2)(As12Sb8)S34
2.HC.10aFülöppitePb3Sb8S15
2.HC.10cHeteromorphitePb7Sb8S19
2.HC.10bPlagionitePb5Sb8S17
2.HC.10dSemseyitePb9Sb8S21
2.HC.15BoulangeritePb5Sb4S11
2.HC.15FalkmanitePb5.4Sb3.6S11
2.HC.20RobinsonitePb4Sb6S13
2.HC.25MoëloitePb6Sb6S14(S3)
2.HC.30DadsonitePb23Sb25S60Cl
2.HC.35OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
2.HC.35ZoubekiteAgPb4Sb4S10
2.HC.40ParasterryiteAg4Pb20Sb14As10S58
5.7.1SeligmannitePbCuAsS3
5.7.2BournonitePbCuSbS3
5.7.3MeneghinitePb13CuSb7S24
5.7.4GladitePbCuBi5S9
5.7.5LindströmitePb3Cu3Bi7S15
5.7.6KrupkaitePbCuBi3S6
5.7.7HammaritePb2Cu2Bi4S9
5.7.8FriedrichitePb5Cu5Bi7S18
5.7.9AikinitePbCuBiS3
5.7.10NuffielditeCu1.4Pb2.4Bi2.4Sb0.2S7
5.7.11JaskólskiitePb2+xCux(Sb,Bi)2-xS6 (x = 0.2)
5.7.12TintinaitePb22Cu4(Sb,Bi)30S69
5.7.13KobellitePb22Cu4(Bi,Sb)30S69
5.7.14ProuditeCuPb7.5Bi9.33(S,Se)22
5.7.15NordströmiteCuPb3Bi7(Se4S10)
5.7.16WatkinsoniteCu2PbBi4(Se,S,Te)8
5.7.17PekoitePbCuBi11(S,Se)18
5.7.18PetroviciteCu3HgPbBiSe5
5.7.19Eclarite(Cu,Fe)Pb9Bi12S28
5.7.20MarriteAgPbAsS3
5.7.21Baumhauerite-2aPb11Ag(As,Sb)18S36
5.7.22AndoritePbAgSb3S6
5.7.23Ramdohrite(Cd,Mn,Fe)Ag5.5Pb12Sb21.5S48
5.7.24RoshchiniteAg19Pb10Sb51S96
5.7.25OurayiteAg3Pb4Bi5S13
5.7.26EskimoiteAg7Pb10Bi15S36
5.7.27FizélyiteAg5Pb14Sb21S48
5.7.28OwyheeiteAg3+xPb10-2xSb11+xS28, -0.13 < x > +0.20
5.7.29FreieslebeniteAgPbSbS3
5.7.30DiaphoriteAg3Pb2Sb3S8
5.7.31SterryiteAg2Pb10(Sb,As)12S29
5.7.32VikingiteAg5Pb8Bi13S30
5.7.33ZoubekiteAgPb4Sb4S10
5.7.34SchirmeritePbAgBi3S6 - Pb3Ag1.5Bi3.5S9
5.7.36GustaviteAg3Pb5Bi11S24
5.7.37KitaibeliteAg10PbBi30S51
5.7.38TreasuriteAg7Pb6Bi15S32
5.7.39Benjaminite(Ag,Cu)3(Bi,Pb)7S12
5.7.40Lengenbachite Ag4Cu2Pb18As12S39 ·
5.7.41BerryiteCu3Ag2Pb3Bi7S16
5.7.42NeyiteAg2Cu6Pb25Bi26S68
5.7.43Larosite(Cu,Ag)21(Pb,Bi)2S13
5.7.44CupropavoniteAgCu2PbBi5S10
5.7.45PadĕraiteCu5.9Ag1.3Pb1.6Bi11.2S22
5.7.47RathitePb8Pb4-x(Tl2As2)x(Ag2As2)As16S40
5.7.48HatchiteAgTlPbAs2S5

Other Names for Rayite

Name in Other Languages:
German:Rayit
Simplified Chinese:硫锑铊银铅矿
Spanish:Rayita

Other Information

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 Rayite

Reference List:
American Mineralogist: 69: 211.

Neues Jahrbuch für Mineralogie, Monatshefte (1983): 296-304.

Bente, K., Meier-Salimi, M. (1991): Substitution experiments and structure investigations on Ag-Tl-bearing boulangerites - a contribution to the rayite problem. Neues Jahrbuch für Mineralogie, Abhandlungen, 163, 212-216.

Internet Links for Rayite

Localities for Rayite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
India
 
  • Rajasthan (Rajputana)
    • Udaipur Division
      • Udaipur District
        • Rajpura-Dariba deposit
Neues Jahrb.,Mh.(1983) 269-304; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Mineral and/or Locality  
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