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IMA2005-012a

Formula:
NaBa
 
3
CaY[(OH)
 
2
|CO
 
3
]
 
3
 · 3H
 
2
O
System:Triclinic
A polytype of Mckelveyite-(Y)

Donnayite Group

Proposal withdrawn since the material was shown to be the monoclinic polytype of mackelveyite-(Y), namely mackelveyite-(Y)-2M.

Classification of IMA2005-012a

IMA status:Approved 2005
Strunz 8th edition ID:5/E.0-

5 : Nitrates, Carbonates & Borates
E : Water-bearing carbonates with unfamiliar anions
0 :
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Type Occurrence of IMA2005-012a

Type Locality:Fabi Mine (Fabi Quarry), Lanzada, Malenco Valley, Sondrio Province, Lombardy, Italy

Crystallography of IMA2005-012a

Crystal System:Triclinic
Class (H-M):1 - Pedial
Space Group:P1

Chemical Properties of IMA2005-012a

Formula:
NaBa
 
3
CaY[(OH)
 
2
|CO
 
3
]
 
3
 · 3H
 
2
O
All elements listed in formula:Ba, C, Ca, H, Na, O, Y

Relationship of IMA2005-012a to other Species

Related Minerals - Strunz Grouping):

- +
5/E.0-Kochsándorite
CaAl
 
2
(CO
 
3
)
 
2
(OH)
 
4
 · H
 
2
O

Other Names for IMA2005-012a

Synonyms:
Magistrettiite-(Y)
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.

Internet Links for IMA2005-012a

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    Localities for IMA2005-012a

    (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.
    Italy
     
    • Lombardy
      • Sondrio Province
        • Malenco Valley
          • Lanzada
    		IMA website
    Mineral and/or Locality
    Google
     
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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: 25th Oct 2009 02:18:33