Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Sahamalite-(Ce)

Big Photo

Mountain Pass Mine (Sulfide Queen Mine; Bastnaesite deposit; Mountain Pass carbonatite), Ivanpah, Mountain Pass District, San Bernardino Co., California, USA
© Pavel M. Kartashov

Formula:
(Mg,Fe)(Ce,La,Nd)
 
2
(CO
 
3
)
 
4
Colour:Colourless
Name:Named after Thure Georg Sahama, Professor of Geochemistry and Mineralogy, University of Helsinki. USA.
This page provides mineralogical data about Sahamalite-(Ce).

Classification of Sahamalite-(Ce)

IMA status:Approved
Strunz 8th edition ID:5/B.05-80
Nickel-Strunz 10th (pending) edition ID:5.AD.05

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
D : With rare-earth elements (REE)
Dana 8th edition ID:14.4.2.1

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
Hey's CIM Ref.:11.8.21

11 : Carbonates
8 : Carbonates of the rare earths
mindat.org URL:http://www.mindat.org/min-3501.html
Please feel free to link to this page.

Type Occurrence of Sahamalite-(Ce)

Type Locality:Mountain Pass Mine (Sulfide Queen Mine; Bastnaesite deposit; Mountain Pass carbonatite), Ivanpah, Mountain Pass District, San Bernardino Co., California, USA

Physical Properties of Sahamalite-(Ce)

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless

Optical Data of Sahamalite-(Ce)

Type:Biaxial (-)
RI values: nα = 1.679 nβ = 1.776 nγ = 1.807
2V:Measured: 57° , Calculated: 56°
Maximum Birefringence:δ = 0.128

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 Sahamalite-(Ce)

Formula:
(Mg,Fe)(Ce,La,Nd)
 
2
(CO
 
3
)
 
4
Essential elements:C, Ce, Mg, O
All elements listed in formula:C, Ce, Fe, La, Mg, Nd, O

Relationship of Sahamalite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):
5.AD.15Petersenite-(Ce)
Na
 
4
(Ce,La,Nd)
 
2
(CO
 
3
)
 
5
5.AD.15Remondite-(Ce)
Na
 
3
(Ce,La,Ca,Na,Sr)
 
3
(CO
 
3
)
 
5
5.AD.15Remondite-(La)
Na
 
3
(La,Ce)
 
3
(CO
 
3
)
 
5
5.AD.20Paratooite-(La)
(REE,Ca,Na,Sr)
 
12
Cu
 
2
(CO3)
 
16
Related Minerals - Hey's Index Grouping:
11.8.1Calkinsite-(Ce)
(Ce,La)
 
2
[CO
 
3
]
 
3
 · 4H
 
2
O
11.8.2Lanthanite-(La)
(La,Ce)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.3Lanthanite-(Ce)
(Ce,La,Nd)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.4Lanthanite-(Nd)
(Nd,La)
 
2
[CO
 
3
]
 
3
 · 8H
 
2
O
11.8.5Hydroxylbastnäsite-(Ce)
(Ce,La)[(OH,F)|CO
 
3
]
11.8.6Hydroxylbastnäsite-(Nd)
(Nd,Ce,La)[(OH,F)|CO
 
3
]
11.8.7Hydroxylbastnäsite-(La)
(La,Ce)[(OH,F)|CO
 
3
]
11.8.8Remondite-(Ce)
Na
 
3
(Ce,La,Ca,Na,Sr)
 
3
(CO
 
3
)
 
5
11.8.9Tengerite-(Y)
Y
 
2
[CO
 
3
]
 
3
 · 2-3H
 
2
O
11.8.10Kimuraite-(Y)
Ca(Y,Nd)
 
2
[CO
 
3
]
 
4
 · 6H
 
2
O
11.8.11Lokkaite-(Y)
Ca(Y,Gd,Nd,Dy)
 
4
[CO
 
3
]
 
7
 · 9H
 
2
O
11.8.12Calcioancylite-(Nd)
(Nd,Ce)
 
3
Ca(CO
 
3
)
 
4
(OH)
 
3
·H
 
2
O
11.8.13Calcioancylite-(Ce)
(Ca,Sr)Ce(CO
 
3
)
 
2
OH·H
 
2
O
11.8.14Burbankite
(Na,Ca)
 
3
(Sr,Ba,Ce)
 
3
(CO
 
3
)
 
5
11.8.15Khanneshite
(Na,Ca)
 
3
(Ba,Sr,Ce,Ca)
 
3
(CO
 
3
)
 
5
11.8.16Donnayite-(Y)
Sr
 
3
NaCaY(CO
 
3
)
 
6
·3H
 
2
O
11.8.17Carbocernaite
(Ca,Na)(Sr,Ce,Ba)(CO
 
3
)
 
2
11.8.18Ancylite-(Ce)
SrCe[OH|(CO
 
3
)
 
2
] · H
 
2
O
11.8.19Ewaldite
Ba(Ca,Y,Na,K)(CO
 
3
)
 
2
11.8.20Mckelveyite-(Y)
Ba
 
3
Na(Ca,U)Y(CO
 
3
)
 
6
·3H
 
2
O

Other Names for Sahamalite-(Ce)

German names:
Sahamalith-(Ce)
Russian names:
Сахамалит-(Ce)

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 Sahamalite-(Ce)

Reference List:Jaffe, H.W., et al (1953), Sahamalite, a new rare earth carbonate mineral, American Mineralogist: 38: 721-754.

Tschermaks Mineralogische und Petrographische Mitteilungen (1983): 39-46.

Internet Links for Sahamalite-(Ce)

Search Engines:
  • Look for Sahamalite-(Ce) on Google
  • Look for Sahamalite-(Ce) images on Google
    • External Links:
  • Look for Sahamalite-(Ce) on Webmineral
  • Look for Sahamalite-(Ce) on Athena Mineralogy
  • Look for Sahamalite-(Ce) on Wikipedia
  • Look for Sahamalite-(Ce) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Sahamalite-(Ce) in the Natural History Museum (London) online catalogue
  • Sahamalite-(Ce) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Lapis Mineral Magazin
  • Top quality minerals from Kristalle of California
  • e-Rocks - Mineral Auctions and Sales
  • Buy Minerals and Crystals from Crystalarium.com
  • Wilensky Fine Minerals
  • Fine Minerals from Dan Weinrich Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • rare and unusual minerals mainly crystallized
  • Wendel Minerals - Auktion & Shop
  • Buy from David K Joyce minerals
  • Fabre Minerals - search for Sahamalite-(Ce) specimens
  • High-end worldwide specimens & outstanding customer service
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Sahamalite-(Ce)

    Hide Locality List
    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.
    These maps work faster with Firefox!
    (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.
    USA
     
    • California
      • San Bernardino Co.
        • Mountain Pass District
          • Ivanpah
    		Jaffe, H.W., et al (1953), Sahamalite, a new rare earth carbonate mineral, Am.Min.: 38: 741.
    • Wyoming
      • Campbell Co.
        • Reno Junction
    		American Mineralogist, Volume 73, pages 1440-1448, 1988
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.