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Brindleyite

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Big Photo

Victorio, Luna Co., New Mexico, USA
© 2007, JGW




Formula:
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
Hardness:2½ - 3
Member of:Serpentine Group
Name:Named in honor of Dr. George William Brindley (1905-1983), Professor of Mineral Science, Pennsylvania State University, University Park, Pennsylvania, USA.


Kaolinite-Serpentine group.

Classification of Brindleyite

IMA status:Approved
Strunz 8th edition ID:8/H.27-170
Nickel-Strunz 10th (pending) edition ID:9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Dana 8th edition ID:71.1.2c.3

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
Hey's CIM Ref.:16.25.1

16 : Silicates Containing Aluminum and other Metals
25 : Aluminosilicates of Ni
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Type Occurrence of Brindleyite

Type Locality:Marmara bauxite deposit, Megara, Western Attikí District, Attikí (Attica; Attika) Prefecture, Greece
Year of Discovery:1978

Physical Properties of Brindleyite

Hardness (Mohs):2½ - 3

Optical Data of Brindleyite

Type:Biaxial
Dispersion:r > v

Chemical Properties of Brindleyite

Formula:
(Ni,Mg,Fe)
 
2
(Al(Si,Al)O
 
5
)(OH)
 
4
Essential elements:Al, H, Ni, O, Si
All elements listed in formula:Al, Fe, H, Mg, Ni, O, Si
Common Impurities:Ti,La,Cr,Ca

Relationship of Brindleyite to other Species

Member of:Serpentine Group
Other Members of Group:

- +
Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Berthierine
(Fe,Fe,Mg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Clinochrysotile
Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
Népouite
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
Orthochrysotile
Parachrysotile
Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
9.ED.05Dickite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Kaolinite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Nacrite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.05Odinite
(Fe,Mg,Al,Fe,Ti,Mn)
 
2.4
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.10Halloysite
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.10Hisingerite
Fe
3+
2
(Si
 
2
O
 
5
)(OH)
 
4
 · 2H
 
2
O
9.ED.10Halloysite-7Å
Al
 
2
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Amesite
Mg
 
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Antigorite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Berthierine
(Fe,Fe,Mg)
 
2-3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.15Caryopilite
(Mn,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Chrysotile
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Cronstedtite
Fe
2+
2
Fe
3+
 
((Si,Fe
3+
 
)
 
2
O
 
5
)(OH)
 
4
9.ED.15Fraipontite
(Zn,Al)
 
3
((Si,Al)
 
2
O
 
5
)(OH)
 
4
9.ED.15Greenalite
Fe
 
2-3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Kellyite
Mn
2+
2
Al(AlSiO
 
5
)(OH)
 
4
9.ED.15Lizardite
Mg
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Manandonite
LiAl
 
4
(BSi
 
3
O
 
10
)(OH)
 
6
9.ED.15Népouite
(Ni,Mg)
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Pecoraite
Ni
 
3
(Si
 
2
O
 
5
)(OH)
 
4
9.ED.15Guidottiite
Mn
 
2
Fe
3+
 
(Fe
3+
 
SiO
 
5
)(OH)
 
4
9.ED.20Allophane
(Al
 
2
O
 
3
)(SiO
 
2
)
 
1.3-2
 · 2.5-3H
 
2
O
9.ED.20Chrysocolla
Cu
 
2-x
Al
 
x
(H
 
2-x
Si
 
2
O
 
5
)(OH)
 
4
 · nH
 
2
O (x < 1)
9.ED.20Imogolite
Al
 
2
SiO
 
3
(OH)
 
4
9.ED.20Neotocite
(Mn,Fe,Mg)SiO
 
3
 · H
 
2
O
9.ED.25Bismutoferrite
Fe
3+
2
Bi(SiO
 
4
)
 
2
(OH)
9.ED.25Chapmanite
Fe
3+
2
Sb
3+
 
(SiO
 
4
)
 
2
(OH)
Related Minerals - Hey's Index Grouping:

- +
16.25.2Nimite
(Ni,Mg,Al)
 
6
((Si,Al)
 
4
O
 
10
)(OH)
 
8
16.25.3Maufite

Other Names for Brindleyite

Synonyms:
IMA1975-009aNimesite
Other Languages:
German:Brindleyit
Nimesit
Spanish:Brindleyita
Nimesita

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 Brindleyite

Reference List:

- +
American Mineralogist: 58: 1112.

American Mineralogist: 63: 484-489.

Internet Links for Brindleyite

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    • Localities for Brindleyite

    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.
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    (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.
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Western Attikí District
        • Megara
    		Amer.Min. (1978) 63, 484-489
    USA
     
    • New Mexico
      • Luna Co.
    		Handbook of Mineralogy (2001)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. 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: 19th Jun 2011 08:35:23
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