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Braitschite-(Ce)

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Cane Creek potash mine (Texas Gulf Sulfur), Interriver District, Grand Co., Utah, USA
© Brent Thorne

Show Braitschite-(Ce) Photos (2)
Formula:
(Ca,Na
 
2
)
 
7
(Ce,La)
 
2
B
 
22
O
 
43
·7H
 
2
O
System:HexagonalColour:Colorless to white
Name:For Professor Dr. Otto Braitsch (1921 - 1966), University of Freiburg, Germany.
This page provides mineralogical data about Braitschite-(Ce).

Classification of Braitschite-(Ce)

IMA status:Approved
Strunz 8th edition ID:5/K.10-10
Nickel-Strunz 10th (pending) edition ID:6.H0.10

6 : BORATES
H : Unclassified borates
0 :
Dana 8th edition ID:26.7.6.1

26 : HYDRATED BORATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
Hey's CIM Ref.:9.5.3

9 : Borates
5 : Borates of Al and rare earths
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Type Occurrence of Braitschite-(Ce)

Type Locality:Cane Creek potash mine (Texas Gulf Sulfur), Interriver District, Grand Co., Utah, USA
General Appearance of Type Material:Hexagonal plates to 70 microns
Place of Conservation of Type Material:U. S. National Museum, Catalog Number 120627.
Geological Setting of type material:Evaporite deposit

Physical Properties of Braitschite-(Ce)

Lustre:Vitreous
Colour:Colorless to white
Density (measured):2.903(2) g/cm3
Density (calculated):2.837 g/cm3

Crystallography of Braitschite-(Ce)

Crystal System:Hexagonal
Cell Parameters:a = 12.150Å, c = 7.378Å
Ratio:a:c = 1 : 0.607
Unit Cell Volume:V 943.24 ų (Calculated from Unit Cell)

Optical Data of Braitschite-(Ce)

Type:Uniaxial (+)
RI values: nω = 1.646 nε = 1.647
Maximum Birefringence:δ = 0.001

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate

Chemical Properties of Braitschite-(Ce)

Formula:
(Ca,Na
 
2
)
 
7
(Ce,La)
 
2
B
 
22
O
 
43
·7H
 
2
O
Essential elements:B, Ca, Ce, H, O
All elements listed in formula:B, Ca, Ce, H, La, Na, O

Relationship of Braitschite-(Ce) to other Species

Related Minerals - Hey's Index Grouping:

- +
9.5.2Sinhalite
MgAl[BO
 
4
]

Other Names for Braitschite-(Ce)

Synonyms:
IMA1967-029
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 Braitschite-(Ce)

Reference List:American Mineralogist: 53: 1081-1095.

Internet Links for Braitschite-(Ce)

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  • Raman and XRD data at RRUFF project
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    Localities for Braitschite-(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.
    (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
     
    • Utah
      • Grand Co.
        • Interriver District
    		Am Min 53:1081-1095
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. Current server date and time: 5th Nov 2009 14:40:44