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Marumoite

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Formula:
Pb
 
32
As
 
40
S
 
92
System:MonoclinicColour:Lead grey
This page provides mineralogical data about Marumoite.

Classification of Marumoite

IMA status:Approved 1998
Strunz 8th edition ID:2/E.0-
Nickel-Strunz 10th (pending) edition ID:2.HC.05g

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
C : With only Pb
Dana 7th edition ID:3.7.8.4
mindat.org URL:http://www.mindat.org/min-26404.html
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Type Occurrence of Marumoite

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

Physical Properties of Marumoite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead grey

Crystallography of Marumoite

Crystal System:Monoclinic
Class (H-M):2 - Sphenoidal
Space Group:P21 {P1 1 21} {P21} {P1 21 1}
Cell Parameters:a = 8.368Å, b = 115.75Å, c = 7.903Å
β = 90.11°
Ratio:a:b:c = 0.072 : 1 : 0.068
Unit Cell Volume:V 7654.8 ų
X-Ray Powder Diffraction:
d-spacingIntensity
2.978 (100)
3.663 (70)
2.339 (65)
2.735 (60)
2.713 (50)
2.872 (48)
3.216 (48)

Chemical Properties of Marumoite

Formula:
Pb
 
32
As
 
40
S
 
92
Essential elements:As, Pb, S
All elements listed in formula:As, Pb, S

Relationship of Marumoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HC.05bBaumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
2.HC.05bBaumhauerite
Pb
 
12
As
 
16
S
 
36
2.HC.05eChabournéite
Tl
 
21-x
Pb
 
2x
(Sb,As)
 
91-x
S
 
147
 (x = 0-17.5)
2.HC.05dDufrénoysite
Pb
 
2
As
 
2
S
 
5
2.HC.05aGuettardite
Pb(Sb,As)
 
2
S
 
4
2.HC.05cLiveingite
Pb
 
9
As
 
13
S
 
28
2.HC.05fParapierrotite
Tl(Sb,As)
 
5
S
 
8
2.HC.05fPierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
2.HC.05dRathite
Pb
 
8
Pb
 
4-x
(Tl
 
2
As
 
2
)
 
x
(Ag
 
2
As
 
2
)As
 
16
S
 
40
2.HC.05aSartorite
PbAs
 
2
S
 
4
2.HC.05aTwinnite
Pb(Sb,As)
 
2
S
 
4
2.HC.05dVeenite
Pb
 
2
(Sb,As)
 
2
S
 
5
2.HC.05eDalnegroite
(Tl
 
4
Pb
 
2
)(As
 
12
Sb
 
8
)S
 
34
2.HC.10aFülöppite
Pb
 
3
Sb
 
8
S
 
15
2.HC.10cHeteromorphite
Pb
 
7
Sb
 
8
S
 
19
2.HC.10bPlagionite
Pb
 
5
Sb
 
8
S
 
17
2.HC.10dRayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
2.HC.10dSemseyite
Pb
 
9
Sb
 
8
S
 
21
2.HC.15Boulangerite
Pb
 
5
Sb
 
4
S
 
11
2.HC.15Falkmanite
Pb
 
5.4
Sb
 
3.6
S
 
11
2.HC.15Plumosite
2.HC.20Robinsonite
Pb
 
4
Sb
 
6
S
 
13
2.HC.25Moëloite
Pb
 
6
Sb
 
6
S
 
14
(S
 
3
)
2.HC.30Dadsonite
Pb
 
23
Sb
 
25
S
 
60
Cl
2.HC.35Owyheeite
Ag
 
3+x
Pb
 
10-2x
Sb
 
11+x
S
 
28
, -0.13 < x > +0.20
2.HC.35Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
2.HC.40Parasterryite
Ag
 
4
Pb
 
20
Sb
 
14
As
 
10
S
 
58

Other Names for Marumoite

Synonyms:
IMA1998-004
Other Languages:

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 Marumoite

Reference List:

- +
Le Règne Minéral, 30 (1999) 33-41.

Shimizu M., Ishizaki Y., Honma T., Matsubara S., Miyawaki R. (2005): Mineral Deposit Research: Meeting the Global Challenge, 1, 695-697.

Shimizu, M., Ishizaki, Y., Honma, T., Matsubara, S., Miyawaki, R. (2005): Dufrenoysite and marumoite from the Okoppe Mine, Japan. 8th Biennal SGA Meeting, Beijing, August 18-21, 2005, Poster #100.

Internet Links for Marumoite

Search Engines:
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    • External Links:
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  • Look for Marumoite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
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  • Marumoite specimens for sale - minfind.com
  • Fabre Minerals - search for Marumoite specimens
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    • Localities for Marumoite

    The 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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    (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.
    Japan
     
    • Honshu Island
      • Tohoku Region
        • Aomori Prefecture
          • Shimokita peninsula
    		Shimizu, M., Ishizaki, Y., Honma, T., Matsubara, S., Miyawaki, R. (2005): Dufrenoysite and marumoite from the Okoppe Mine, Japan. 8th Biennal SGA Meeting, Beijing, August 18-21, 2005, Poster #100.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		Le Règne Minéral, (30), 33-41
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