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Brindleyite

A valid IMA mineral species
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03872240014980629733418.jpg
Brindleyite

Victorio, Luna County, New Mexico, USA
08563910015979634606782.jpg
Brindleyite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
09749250015850449317807.jpg
Brindleyite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
09373200014951185753544.jpg
Brindleyite

Victorio, Luna County, New Mexico, USA
09675760015982136474524.jpg
Brindleyite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03076640015734865586057.jpg
Brindleyite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
03872240014980629733418.jpg
Brindleyite

Victorio, Luna County, New Mexico, USA
08563910015979634606782.jpg
Brindleyite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia
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About BrindleyiteHide

04148800014947087994543.jpg
George W. Brindley
Formula:
(Ni,Al)3(Si,Al)2O5(OH)4
Colour:
Dark yellow-green
Hardness:
2½ - 3
Specific Gravity:
3.17
Crystal System:
Monoclinic
Name:
Originally named nimesite by Z. Maksimovic in 1972 but the name was not approved by the IMA due to its similarity to the similar mineral nimite. It was renamed by Maksimovic and David L. Bish in 1978 in honor of George William Brindley (19 June 1905, Stoke-on-Trent, England - 23 October 1983), Professor of Mineral Science, Pennsylvania State University, University Park, Pennsylvania, USA. He was an expert on clay minerals and won the 1970 Roebling Medal.
Kaolinite-Serpentine group.
1M plus 3A and 1A polytypes assumed.


Unique IdentifiersHide

Mindat ID:
774
Long-form identifier:
mindat:1:1:774:4
GUID
(UUID V4):
09d6d1db-2ed2-4d31-a27f-15666ed6ea90

IMA Classification of BrindleyiteHide

Classification of BrindleyiteHide

Strunz-mindat (2024):
9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Dana 8th ed.:
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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
BlyIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
BlyWarr (2020)Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of BrindleyiteHide

Transparency:
Translucent
Colour:
Dark yellow-green
Hardness:
2½ - 3 on Mohs scale
Density:
3.17 g/cm3 (Measured)    3.16 g/cm3 (Calculated)

Optical Data of BrindleyiteHide

Type:
Biaxial
Dispersion:
r > v

Chemistry of BrindleyiteHide

Mindat Formula:
(Ni,Al)3(Si,Al)2O5(OH)4
Elements listed:
Al, H, Ni, O, Si - search for minerals with similar chemistry
Common Impurities:
Mg,Fe,Ti,La,Cr,Ca

Crystallography of BrindleyiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 5.28 Å, b = 9.13 Å, c = 7.31 Å
β = 104.25°
Ratio:
a:b:c = 0.578 : 1 : 0.801
Unit Cell V:
341.55 ų (Calculated from Unit Cell)
Comment:
Monoclinic or hexagonal. Point Group: n.d. Space Group: n.d. 1M and 3A assumed

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.07 Å(100)
3.54 Å(80)
2.62 Å(18)
2.47 Å(18)
2.37 Å(18)
1.524 Å(17)
4.54 Å(10)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 5: Initiation of plate tectonics<3.5-2.5
38 : Ophiolites
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
48 : Soil leaching zone minerals<0.6

Type Occurrence of BrindleyiteHide

Type Locality:
ⓘ Marmara bauxite deposit, Megara, West Attica, Attica, Greece
General Appearance of Type Material:
Green coatings to 12 mm thick on limestone. It has a clayey appearance, but often is compact with a pronounced schistosity and lustrous surface.
Place of Conservation of Type Material:
Department of Mineralogy, University of Belgrade, Belgrade, Yugoslavia.
National Museum of Natural History, Washington, D.C., USA, 136982.
Geological Setting of Type Material:
Coating on limestone and veinlets cutting kaolinitic clays at the base of a bauxite deposit developed on karst.
Associated Minerals at Type Locality:
BastnäsiteMalachiteBayerite
Reference:
Maksimovic, Z., Bish, D.L. (1978) Brindleyite, a nickel-rich aluminous serpentine mineral analogous to berthierine. American Mineralogist: 63: 484-489.

Synonyms of BrindleyiteHide

Other Language Names for BrindleyiteHide

Relationship of Brindleyite to other SpeciesHide

Member of:
Serpentine Subgroup > Kaolinite-Serpentine Group
Other Members of this group:
AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4Mon. m : Bm
CaryopiliteMn2+3Si2O5(OH)4Mon.
ChrysotileMg3(Si2O5)(OH)4Mon. m : Bb
CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P3 1m
Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4Mon.
GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63
LizarditeMg3(Si2O5)(OH)4Trig. 3m : P3 1m
NépouiteNi3Si2O5(OH)4Orth.
PecoraiteNi3(Si2O5)(OH)4Mon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Brindleyite associated with SideriteFeCO3

Related Minerals - Strunz-mindat GroupingHide

9.ED.ClinochrysotileMon. 2/m
9.ED.05DickiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05KaoliniteAl2(Si2O5)(OH)4Tric. 1 : P1
9.ED.05NacriteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4Mon. m : Bm
9.ED.10HalloysiteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.10HisingeriteFe3+2(Si2O5)(OH)4 · 2H2OMon.
9.ED.10HydrohalloysiteAl2Si2O5(OH)4 · 2H2OMon. m
9.ED.15AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
9.ED.15AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
9.ED.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4Mon. m : Bm
9.ED.15CaryopiliteMn2+3Si2O5(OH)4Mon.
9.ED.15CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P3 1m
9.ED.15Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4Mon.
9.ED.15Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4Mon.
9.ED.15KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63
9.ED.15LizarditeMg3(Si2O5)(OH)4Trig. 3m : P3 1m
9.ED.15ManandoniteLi2Al4(Si2AlB)O10(OH)8Orth. 2 2 2 : C2 2 21
9.ED.15NépouiteNi3Si2O5(OH)4Orth.
9.ED.15PecoraiteNi3(Si2O5)(OH)4Mon.
9.ED.15GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
9.ED.15 vaChromoamesiteMg2(Al,Cr)(AlSiO5)(OH)4
9.ED.20Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2OAmor.
9.ED.20ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1Orth.
9.ED.20ImogoliteAl2SiO3(OH)4
9.ED.20Neotocite(Mn,Fe,Mg)SiO3 · H2OAmor.
9.ED.25BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm
9.ED.25ChapmaniteFe3+2Sb3+(Si2O5)O3(OH)Mon. m : Bm
9.ED.30PianliniteAl2Si2O6(OH)2Orth.

Other InformationHide

Health Risks:
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 BrindleyiteHide

References for BrindleyiteHide

Localities for BrindleyiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Germany
 
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Vordereifel
BLASS (2020)
Greece (TL)
 
  • Attica
    • West Attica
      • Megara
Amer.Min. (1978)
  • Central Greece
    • Phocis
      • Delphi
Laskou et al. (2007)
Italy
 
  • Lombardy
    • Lecco Province
      • Primaluna
        • Cortabbio
Vergani F. et al. (2018) +1 other reference
Namibia
 
  • Oshikoto Region
    • Tsumeb
Analyzed by Joy Desor.
Russia
 
  • Sverdlovsk Oblast
    • Serovsky District
      • Serov
        • Kola massif
Mezentseva et al. (2011)
USA
 
  • New Mexico
    • Luna County
Handbook of Mineralogy (2001)
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