Brindleyite  Mineral Data

Brindleyite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Brindleyite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4
Help on Composition: Composition: Molecular Weight = 340.29 gm
   Magnesium   1.43 %  Mg    2.37 % MgO
   Aluminum   15.86 %  Al   29.96 % Al2O3
   Iron        1.64 %  Fe    2.11 % FeO
   Silicon     8.25 %  Si   17.66 % SiO2
   Nickel     29.32 %  Ni   37.31 % NiO
   Hydrogen    1.18 %  H    10.59 % H2O
   Oxygen     42.31 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni1.7Mg0.2Fe2+0.1Al2SiO5(OH)4
Help on Environment: Environment: As coatings on clays and as veinlets cutting kaolinitic clay at the base of a bauxite deposit developed on karst.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Marmara bauxite deposit, Begara, Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name for Dr. George William Brindley (1905-1983), Professor of Mineral Sciences, Pennsylvania State University, University Park, Pennsylvania, USA.
Help on Name Pronunciation: Name Pronunciation: Brindleyite + Pronunciation Say BRINDLEYITE
Help on Synonym: Synonym: Nimesite
 

Brindleyite Image

Click Here for Larger Brindleyite Image in a New Browser Window Images:
Click Here for Larger Brindleyite Image

Brindleyite

Comments: Greenish waxy crust of brindleyite.
Location: Hachita, Grant County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brindleyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5787:1:0.8003
Help on Cell Dimensions: Cell Dimensions: a = 5.286, b = 9.133, c = 7.31, Z = 2; beta = 104.15° V = 342.20 Den(Calc)= 3.30
Help on Crystal System: Crystal System: Monoclinic - SphenoidalH-M Symbol (2) Space Group: C 2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.07(1), 3.54(0.81), 2.48(0.18),2.62(0.18), 1.524(0.17), 4.54(0.1),
 

Physical Properties of Brindleyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow green.
Help on Density: Density: 3.17
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: light green
 

Optical Properties of Brindleyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.042 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.08 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1924,KPDmeas= 0.2003,KC= 0.2091
Ncalc = 1.66 - 1.69
Help on Optical Data: Optical Data: Biaxial (?), b=1.635
 

Calculated Properties of Brindleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.14 gm/cc
note: Specific Gravity of Brindleyite =3.17 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0091487033
Boson Index = 0.9908512967
Help on Photoelectric: Photoelectric: PEBrindleyite = 12.81 barns/electron
U=PEBrindleyite x rElectron Density= 40.24 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Brindleyite is Not Radioactive
 

Brindleyite Classification

Help on  Dana Class: Dana Class: 71.01.02c.03 (71)Phyllosilicate Sheets of Six-Membered Rings
  (71.01)with 1:1 layers
  (71.01.02c)Serpentine group (Amesite subgroup)
 
71.01.02c.01 Amesite Mg2Al(SiAl)O5(OH)4 C1 1
 
71.01.02c.02 Berthierine (Fe,Fe,Al,Mg)2-3(Si,Al)2O5(OH)4 Cm m
 
71.01.02c.03 Brindleyite (Ni,Mg,Fe)2Al(SiAl)O5(OH)4 C 2 2
 
71.01.02c.04 Fraipontite (Zn,Al)3(Si,Al)2O5(OH)4 Cm m
 
71.01.02c.05 Kellyite (Mn,Mg,Al)3(Si,Al)2O5(OH)4 P 63 6
 
71.01.02c.06 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
 
71.01.02c.07 Cronstedtite Fe2Fe(SiFe)O5(OH)4 P 31m 3m
Help on  Strunz Class: Strunz Class: 09.ED.15 09 - SILICATES (Germanates)
  09.E - Phyllosilicates
  09.ED -Phyllosilicates with kaolinite layers
 
09.ED.15 Clinochrysotile? Mg3Si2O5(OH)4 Cc, C 2/m Mono
 
09.ED.15 Berthierine (Fe,Fe,Al,Mg)2-3(Si,Al)2O5(OH)4 Cm m
 
09.ED.15 Brindleyite (Ni,Mg,Fe)2Al(SiAl)O5(OH)4 C 2 2
 
09.ED.15 Amesite Mg2Al(SiAl)O5(OH)4 C1 1
 
09.ED.15 Antigorite (Mg,Fe)3Si2O5(OH)4 Cm m
 
09.ED.15 Caryopilite (Mn,Mg,Zn,Fe)3(Si,As)2O510(OH,Cl)4 Cm or C 2/m Mono
 
09.ED.15 Fraipontite (Zn,Al)3(Si,Al)2O5(OH)4 Cm m
 
09.ED.15 Cronstedtite Fe2Fe(SiFe)O5(OH)4 P 31m 3m
 
09.ED.15 Chrysotile Mg3Si2O5(OH)4 A2/m 2/m
 
09.ED.15 Nepouite Ni3Si2O5(OH)4 Ccm21 mm2
 
09.ED.15 Greenalite (Fe,Fe)2-3Si2O5(OH)4 Unk Mono
 
09.ED.15 Kellyite (Mn,Mg,Al)3(Si,Al)2O5(OH)4 P 63 6
 
09.ED.15 Maufite? (Mg,Ni)Al4Si3O13•4(H2O)(?) Mono ? Mono
 
09.ED.15 Lizardite Mg3Si2O5(OH)4 P1 1
 
09.ED.15 Orthochrysotile? Mg3Si2O5(OH)4 Unk Ortho
 
09.ED.15 Manandonite Li2Al4[(Si2AlB)O10](OH)8 C1 1
 
09.ED.15 Pecoraite Ni3Si2O5(OH)4 C 2/m 2/m
 
09.ED.15 Parachrysotile? Mg3Si2O5(OH)4 Unk Ortho
 

Other Brindleyite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Brindleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Brindleyite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Brindleyite :

A Bijoux Google Search for Brindleyite
Adam's Minerals Google Search for Brindleyite
Cape Minerals Google Search for Brindleyite
Dakota Matrix Minerals Google Search for Brindleyite
Excalibur Mineral Corp. Google Search for Brindleyite
Exceptional Minerals Google Search for Brindleyite
John Betts Fine Minerals Search for Brindleyite
McDougall Minerals Google Search for Brindleyite
Mineral News Website Link
Rock and Mineral Shows Google Search for Brindleyite
Weinrich Minerals, Inc. Google Search for Brindleyite

Ask about Brindleyite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Brindleyite Specimen Label here :

Brindleyite

(Ni,Mg,Fe++)2Al(SiAl)O5(OH)4
Dana No: 71.01.02c.03 Strunz No: 09.ED.15
Locality:

 

Notes: