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Marrite

Big Photo

Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
© Peter Kohorst

Show Marrite Photos (7)
Formula:
AgPbAsS
 
3
System:MonoclinicColour:Lead-gray, steel-gray; ...
Hardness:3
Name:After Dr. John E. Marr, of Cambridge, England.
This page provides mineralogical data about Marrite.

Classification of Marrite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/E.17-10
Nickel-Strunz 10th (pending) edition ID:2.JB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
Dana 8th edition ID:3.4.6.1

3 : SULFOSALTS
4 : ø = 3
Hey's CIM Ref.:5.7.20

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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Type Occurrence of Marrite

Type Locality:Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
Year of Discovery:1904

Physical Properties of Marrite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead-gray, steel-gray; often iridescent due to tarnish
Streak:Black with a chocolate-brown tint.
Hardness (Mohs):3
Tenacity:Brittle
Cleavage:None Observed
Fracture:Conchoidal

Crystallography of Marrite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 7.29Å, b = 12.68Å, c = 5.99Å
β = 91.22°
Ratio:a:b:c = 0.575 : 1 : 0.472
Unit Cell Volume:V 553.57 ų (Calculated from Unit Cell)
Morphology:Equant to tabular {010}. Striated [001].

Chemical Properties of Marrite

Formula:
AgPbAsS
 
3
Essential elements:Ag, As, Pb, S
All elements listed in formula:Ag, As, Pb, S

Relationship of Marrite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.JB.05Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
2.JB.10Cosalite
Pb
 
2
Bi
 
2
S
 
5
2.JB.15Freieslebenite
AgPbSbS
 
3
2.JB.20Cannizzarite
Pb
 
4
Bi
 
6
S
 
13
2.JB.20Wittite
Pb
 
9
Bi
 
12
(S,Se)
 
27
2.JB.25Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16
2.JB.25Nordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
2.JB.25Proudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
2.JB.25Felbertalite
Cu
 
2
Pb
 
6
Bi
 
8
S
 
19
2.JB.30Geocronite
Pb
 
14
(Sb,As)
 
6
S
 
23
2.JB.30Jordanite
Pb
 
14
(As,Sb)
 
6
S
 
23
2.JB.30Kirkiite
Pb
 
10
Bi
 
3
As
 
3
S
 
19
2.JB.35Pillaite
Pb
 
9
Sb
 
10
S
 
23
ClO
 
0.5
2.JB.35Zinkenite
Pb
 
9
Sb
 
22
S
 
42
2.JB.35Scainiite
Pb
 
14
Sb
 
30
S
 
54
O
 
5
2.JB.35Pellouxite
(Cu,Ag)Pb
 
10
Sb
 
12
S
 
27
O(Cl,S)
 
0.6
2.JB.40Andorite
PbAgSb
 
3
S
 
6
2.JB.40Aschamalmite
Pb
 
6
Bi
 
2
S
 
9
2.JB.40Eskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
2.JB.40Fizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
2.JB.40Gustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
2.JB.40Lillianite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40Ourayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
2.JB.40Ramdohrite
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
2.JB.40Roshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
2.JB.40Schirmerite
AgPb
 
2
Bi
 
3
S
 
7
2.JB.40Treasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
2.JB.40Uchucchacuaite
AgMnPb
 
3
Sb
 
5
S
 
12
2.JB.40Vikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
2.JB.40Xilingolite
Pb
 
3
Bi
 
2
S
 
6
2.JB.40Heyrovskýite
Pb
 
10
AgBi
 
5
S
 
18
2.JB.40Andorite IV
Pb
 
18
Ag
 
15
Sb
 
47
S
 
96
2.JB.40Andorite VI
PbAgSb
 
3
S
 
6
2.JB.45Galenobismutite
PbBi
 
2
S
 
4
2.JB.45Weibullite
Pb
 
5
Bi
 
8
Se
 
7
S
 
11
2.JB.45Angelaite
Cu
 
2
AgPbBiS
 
4
2.JB.50Neyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
2.JB.55Gratonite
Pb
 
9
As
 
4
S
 
15
2.JB.60Marrucciite
Hg
 
3
Pb
 
16
Sb
 
18
S
 
46
2.JB.65Vurroite
Pb
 
20
Sn
 
2
(Bi,As)
 
22
S
 
54
Cl
 
6
Related Minerals - Hey's Index Grouping:
5.7.1Seligmannite
PbCuAsS
 
3
5.7.2Bournonite
PbCuSbS
 
3
5.7.3Meneghinite
Pb
 
13
CuSb
 
7
S
 
24
5.7.4Gladite
PbCuBi
 
5
S
 
9
5.7.5Lindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
5.7.6Krupkaite
PbCuBi
 
3
S
 
6
5.7.7Hammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
5.7.8Friedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
5.7.9Aikinite
PbCuBiS
 
3
5.7.10Nuffieldite
Pb
 
2
Cu(Pb,Bi)Bi
 
2
S
 
7
5.7.11Jaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 x = 0.2
5.7.12Tintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
5.7.13Kobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
5.7.14Proudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
5.7.15Nordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
5.7.16Watkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
5.7.17Pekoite
PbCuBi
 
11
(S,Se)
 
18
5.7.18Petrovicite
Cu
 
3
HgPbBiSe
 
5
5.7.19Eclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
5.7.21Baumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
5.7.22Andorite
PbAgSb
 
3
S
 
6
5.7.23Ramdohrite
Ag
 
3
Pb
 
6
Sb
 
11
S
 
24
5.7.24Roshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
5.7.25Ourayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
5.7.26Eskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
5.7.27Fizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
5.7.28Owyheeite
Ag
 
2
Pb
 
5
Sb
 
6
S
 
15
5.7.29Freieslebenite
AgPbSbS
 
3
5.7.30Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
5.7.31Sterryite
Ag
 
2
Pb
 
10
(Sb,As)
 
12
S
 
29
5.7.32Vikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
5.7.33Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
5.7.34Schirmerite
AgPb
 
2
Bi
 
3
S
 
7
5.7.36Gustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
5.7.37Kitaibelite
Ag
 
10
PbBi
 
30
S
 
51
5.7.38Treasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
5.7.39Benjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
5.7.40Lengenbachite
(Ag,Cu)
 
2
Pb
 
6
As
 
4
S
 
13
5.7.41Berryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
5.7.42Neyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
5.7.43Larosite
(Cu,Ag)
 
21
(Pb,Bi)
 
2
S
 
13
5.7.44Cupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
5.7.45Padĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
5.7.46Rayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
5.7.47Rathite
(Pb,Tl)
 
3
As
 
5
S
 
10
5.7.48Hatchite
(PbTl)
 
2
AgAs
 
2
S
 
3

Other Names for Marrite

German names:
Marrit
Russian names:
Маррит
Spanish names:
Marrita

Other Information

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

References for Marrite

Reference List:Solly (1905), Mineralogical Magazine: 14: 76.

Solly (1906), Mineralogical Magazine: 14: 188.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 487-488.

American Mineralogist (1965): 50: 812.

Chimia (Switzerland): 17: 381-382.

Schweizerische mineralogische und petrographische Mitteilungen: 45: 597-795.

Neues Jahrbuch für Mineralogie, Monatshefte (1967): 43-48.

Internet Links for Marrite

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  • Raman and XRD data at RRUFF project
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  • Marrite details from Handbook of Mineralogy (PDF)
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    Localities for Marrite

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    (TL) indicates type locality. ? 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.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		Nature (1904) 71, 118 and Min.Mag.(1905) 14, 72-82 (p. 76)
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