Mindat Logo

Plumbotsumite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
Pb
 
13
(CO
 
3
)
 
6
(Si
 
10
O
 
27
) · 3H
 
2
O
System:OrthorhombicColour:Colourless
Hardness:2


New formula according to Cooper (pers. comm.), in Marty et al. (2010).
Originally given formula was Pb5Si4O8(OH)10.

Classification of Plumbotsumite

IMA status:Approved
Strunz 8th edition ID:8/D.22-10
Nickel-Strunz 10th (pending) edition ID:9.HH.20

9 : SILICATES (Germanates)
H : Unclassified silicates
H : With Pb
Dana 8th edition ID:78.1.7.1

78 : Unclassified Silicates
1 : Miscellaneous
Hey's CIM Ref.:14.13.2

14 : Silicates not Containing Aluminum
13 : Silicates of Pb
mindat.org URL:http://www.mindat.org/min-3230.html
Please feel free to link to this page.

Type Occurrence of Plumbotsumite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Year of Discovery:1982

Physical Properties of Plumbotsumite

Diaphaneity (Transparency):Transparent
Colour:Colourless
Hardness (Mohs):2

Crystallography of Plumbotsumite

Crystal System:Orthorhombic
Cell Parameters:a = 15.87Å, b = 9.26Å, c = 29.36Å
Ratio:a:b:c = 1.714 : 1 : 3.171
Unit Cell Volume:V 4,314.63 ų (Calculated from Unit Cell)
Twinning:V-shaped penetration twins.

Optical Data of Plumbotsumite

Type:Biaxial (-)
RI values: nα = 1.922 nβ = 1.933 nγ = 1.938
2V:Measured: 32° , Calculated: 66°
Maximum Birefringence:δ = 0.016

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v strong

Chemical Properties of Plumbotsumite

Formula:
Pb
 
13
(CO
 
3
)
 
6
(Si
 
10
O
 
27
) · 3H
 
2
O
Simplified for copy/paste:Pb13(CO3)6(Si10O27)·3H2O
Essential elements:C, H, O, Pb, Si
All elements listed in formula:C, H, O, Pb, Si

Relationship of Plumbotsumite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.HH.05Macquartite
Cu
 
2
Pb
 
7
(CrO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
9.HH.10Luddenite
Cu
 
2
Pb
 
2
Si
 
5
O
 
14
· 4H
 
2
O
9.HH.15Creaseyite
Pb
 
2
Cu
 
2
Fe
3+
2
(Si
 
4.67
Al
 
0.33
)O
 
15.33
(OH)
 
3
· H
 
2
O
9.HH.25Molybdophyllite
Pb
 
8
Mg
 
9
[Si
 
10
O
 
28
(OH)
 
8
|O
 
2
|(CO
 
3
)
 
3
] · H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
14.13.1Alamosite
Pb
 
12
[Si
 
12
O
 
36
]
14.13.3Luddenite
Cu
 
2
Pb
 
2
Si
 
5
O
 
14
· 4H
 
2
O
14.13.4Molybdophyllite
Pb
 
8
Mg
 
9
[Si
 
10
O
 
28
(OH)
 
8
|O
 
2
|(CO
 
3
)
 
3
] · H
 
2
O
14.13.5Margarosanite
Pb(Ca,Mn
2+
 
)
 
2
(Si
 
3
O
 
9
)
14.13.6Ganomalite
Pb
 
9
Ca
 
5
Mn(Si
 
2
O
 
7
)
 
4
(SiO
 
4
)O
14.13.7Kentrolite
Pb
 
2
Mn
3+
2
(Si
 
2
O
 
7
)O
 
2
14.13.8Barysilite
Pb
 
8
Mn
2+
 
[Si
 
2
O
 
7
]
 
3
14.13.9Melanotekite
Pb
 
2
Fe
3+
2
(Si
 
2
O
 
7
)O
 
2
14.13.10Creaseyite
Pb
 
2
Cu
 
2
Fe
3+
2
(Si
 
4.67
Al
 
0.33
)O
 
15.33
(OH)
 
3
· H
 
2
O

Other Names for Plumbotsumite

Synonyms:
IMA1979-049
Other Languages:
German:Plumbotsumit
Spanish:Plumbotsumita

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 Plumbotsumite

Reference List:

- +
American Mineralogist (1982): 67: 1075-1076.

Chemie der Erde (1982) 41, 1.

Marty, J., Kampf, A. R., Housley, R. M., Mills, S. J. & Weiß, S.. (2010). Seltene neue Tellurmineralien aus Kalifornien, Utah, Arizona und New Mexiko (USA). Lapis, 35 (12), 42-51; 66.

Internet Links for Plumbotsumite

Search Engines:
  • Look for Plumbotsumite on Google
  • Look for Plumbotsumite images on Google
  • External Links:
  • Look for Plumbotsumite on Webmineral
  • Look for Plumbotsumite on Athena Mineralogy
  • Look for Plumbotsumite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Plumbotsumite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Buy from McDougall Minerals
  • Buy minerals from YourMineralCollection
  • High-end worldwide specimens & outstanding customer service
  • The Arkenstone - Fine Minerals
  • Fine Minerals from Weinrich Minerals, Inc.
  • Fine minerals from bisbeeborn.com
  • Search for Plumbotsumite on Well-Arranged Molecules
  • Fabre Minerals - search for Plumbotsumite specimens
  • Find Plumbotsumite on www.crystalclassics.co.uk
  • Buy RARE Minerals from Rocks of Africa
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • Localities for Plumbotsumite

    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.
    (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.
    France
     
    • Burgundy
      • Saône-et-Loire
        • Saint-Léger-sous-Beuvray
          • Saint-Prix
    Vincent Bourgoin collection.
    Namibia
     
    • Otjikoto Region (Oshikoto)
      • Tsumeb
    Chemie der Erde (1982) 41, 1
    USA
     
    • Arizona
      • Pinal Co.
        • Mammoth District
          • Tiger
            • St. Anthony deposit
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 332.
    • California
      • San Bernardino Co.
        • Baker
          • Otto Mountain
    Collected by and in the collection of Brent Thorne.
    EDS confirmed by Bob Housley.
    Collected by and in the collection of Brent Thorne.
        • Soda Lake Mts
          • Baker
    Collected by and in the collection of Brent Thorne. SEM EDS and XRD confirmed.; American Mineralogist, Volume 94, pages 1198–1204, 2009
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: October 12, 2014 20:58:02
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds