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Baumite

Formula:
(Mg,Al,Mn,Zn,Fe)
 
3
(Si,Al)
 
2
O
 
5
(OH)
 
4


Clark [1993, "Hey's Mineral Index"] reports this as a species, but Nickel & Nichols [1991, "Mineral Reference Manual"] regard it as 'a mixture of several serpentines and chlorites', quoting Frondel & Ito, [AmMin 1975]

Classification of Baumite

IMA status:Discredited
Hey's CIM Ref.:16.7.10

16 : Silicates Containing Aluminum and other Metals
7 : Aluminosilicates of Mg
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Chemical Properties of Baumite

Formula:
(Mg,Al,Mn,Zn,Fe)
 
3
(Si,Al)
 
2
O
 
5
(OH)
 
4
Essential elements:H, Mg, O, Si
All elements listed in formula:Al, Fe, H, Mg, Mn, O, Si, Zn

Relationship of Baumite to other Species

Related Minerals - Hey's Index Grouping:

- +
16.7.1Pyrope
Mg
 
3
Al
 
2
[SiO
 
4
]
 
3
16.7.2Sapphirine
(Mg,Fe)
 
4-x
Al
 
4+x
[Al
 
4+x
Si
 
2-x
O
 
18
]O
 
2
16.7.3Sapphirine-1A
(Mg,Al,Fe
2+
 
)
 
8
[(Al,Si,Fe
3+
 
)
 
6
O
 
18
]O
 
2
16.7.4Magnesiochloritoid
MgAl
 
2
[O|(OH)
 
2
|SiO
 
4
]
16.7.5Kulkeite
Mg
 
8
Al(AlSi
 
7
)O
 
20
(OH)
 
10
16.7.6Palygorskite
(Mg,Al)
 
5
(Si,Al)
 
8
O
 
20
(OH)
 
2
·8H
 
2
O
16.7.7Saponite
Ca
 
0.25
(Mg,Fe)
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
16.7.8Aliettite
Ca
 
0.2
Mg
 
6
(Si,Al)
 
8
O
 
20
(OH)
 
4
·4H
 
2
O
16.7.9Montmorillonite
(Na,Ca)
 
0.33
(Al,Mg)
 
2
Si
 
4
O
 
10
(OH)
 
2
·nH
 
2
O

Other Names for Baumite

Synonyms:
IMA1972-024
Other Languages:
German:Baumit
Spanish:Baumita

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 Baumite

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    Localities for Baumite

    (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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Ústí Region
        • Chomutov
    		Řehoř, M., Dvořák, Z.: Nové poznatky o mineralogii lokality Ahníkov. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 183-185.
    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: 12th Nov 2009 22:39:54