Edingtonite Mineral Data + Say EDINGTONITE

General Edingtonite Information
Help on Chemical Formula: Chemical Formula: BaAl2Si3O10·4(H2O)
Help on Composition: Composition: Molecular Weight = 507.60 gm
   Barium    27.05 %  Ba   30.21 % BaO
   Aluminum  10.63 %  Al   20.09 % Al2O3
   Silicon   16.60 %  Si   35.51 % SiO2
   Hydrogen   1.59 %  H    14.20 % H2O
   Oxygen    44.13 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaAl2Si3O10·4(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1825
Help on Locality: Locality: Kilpatrick Hills, near Glasgow, Dumbarton, Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the discoverer of the mineral, Edington from Glasgow, Scotland.
Help on Synonym: Synonym: Antiedrite
  ICSD 29516
  PDF 25-60
 

Edingtonite Image

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

Edingtonite

Comments: Lath-shaped crystalline aggregates of edingtonite.
Location: Jacupiranga mine, Sao Paolo, Brazil. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Click Here for Larger Edingtonite Image in a New Browser Window Images:
Click Here for Larger Edingtonite Image

Edingtonite

Comments: White, stout prisms of calcite on pinkish analcime with small, cream-colored bladed edingtionite crystals.
Location: Old Kilpatrick, Dunbartonshite, Scotland. Scale: Picture Size 3 cm.
© Dave Barthelmy

Edingtonite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9881:1:0.6749
Help on Cell Dimensions: Cell Dimensions: a = 9.55, b = 9.665, c = 6.523, Z = 2; V = 602.08 Den(Calc)= 2.80
Help on Crystal System: Crystal System: Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: P 21212
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.749(1), 3.58(1), 4.8(0.9),
Click Here for Large Edingtonite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Ghose S , Yang H , Weidner J R , American Mineralogist , 75 (1990) p.947-950, Crystal growth and structure of K2Al2Si3O10*KCl: A new anhydrous zeolite-type, phase with the edingtonite framework

View Additional jPOWD Structure files for Edingtonite
[1] [10] [2] [3] [4] [5] [6] [7] [8] [9]
 

Physical Properties of Edingtonite

Help on Cleavage: Cleavage: [110] Perfect
Help on Color: Color: Brownish gray, Colorless, Gray, White, Pink.
Help on Density: Density: 2.69 - 2.7, Average = 2.69
Help on Diaphaniety: Diaphaniety: Transparent to translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Pseudo Tetragonal - Crystals show a tetragonal shape.
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Edingtonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1954,KPDmeas= 0.203,KC= 0.2024
Help on Optical Data: Optical Data: Biaxial (-), a=1.538, b=1.549, g=1.554, bire=0.0160, 2V(Calc)=66, 2V(Meas)=~50.
 

Calculated Properties of Edingtonite

Help on Electron Density: Electron Density:

relectron=2.59 gm/cc
note: rEdingtonite =2.70 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.05618
Boson Index = 0.94382
Help on Photoelectric: Photoelectric:

PEEdingtonite = 113.83 barns/electron
U=PEEdingtonite x relectron= 294.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Edingtonite is Not Radioactive
 

Edingtonite Classification
Help on Dana Class: Dana Class: 77.1.5.6 (77)Tectosilicate Zeolite group
  (77.1)true zeolites
  (77.1.5)Natrolite and related species
 
77.1.5.1 Natrolite Na2[Al2Si3O10]·2(H2O) F dd2 mm2
 
77.1.5.2 Tetranatrolite? Na2[Al2Si3O10]·2(H2O) I 42d 4 2m
 
77.1.5.3 Paranatrolite Na2[Al2Si3O10]·3(H2O) Cc m
 
77.1.5.4 Mesolite Na2Ca2Al6Si9O30·8(H2O) C 2 2
 
77.1.5.5 Scolecite CaAl2Si3O10·3(H2O) Cc m
 
77.1.5.6 Edingtonite BaAl2Si3O10·4(H2O) P 21212 2 2 2
 
77.1.5.7 Gonnardite Na2CaAl4Si6O20·7(H2O) I 42d 4 2m
 
77.1.5.8 Cowlesite CaAl2Si3O10·5-6(H2O) P 2221, P mmm, Pmm2 Ortho
 
77.1.5.9 Thomsonite-Ca NaCa2Al5Si5O20·6(H2O) Pncn 2/m 2/m 2/m
 
77.1.5.10 Thomsonite-Sr! (Sr,Ca)2Na[Al5Si5O20]·7(H2O) Pcnn 2/m 2/m 2/m
 
77.1.5.11 Nabesite! Na2BeSi4O10·4(H2O) P 212121 2 2 2
Help on Strunz Class: Strunz Class: VIII/J.22-40 VIII - Silicates
  VIII/J - Tectosilicates (network), with zeolite-structure, Bladed Zeolites
  VIII/J.22 - Zeolite group, Natrolite - Thomsonite series
 
VIII/J.22-01 Ferrierite-Na! (Na,K)2Mg(Si,Al)18O36·9(H2O) P 21/n 2/m 2/m 2/m
 
VIII/J.22-03 Ferrierite-K! (K,Na)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m
 
VIII/J.22-05 Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O) Pnnm 2/m 2/m 2/m
 
VIII/J.22-06 Mutinaite! Na3Ca4Si85Al11O192·60(H2O) P nma 2/m 2/m 2/m
 
VIII/J.22-07 Terranovaite! (Na,Ca)8(Si68Al12)O160-29(H2O) C mcm 2/m 2/m 2/m
 
VIII/J.22-08 Gottardiite! Na3Mg3Ca5Al19Si117O272·93(H2O) C mca 2/m 2/m 2/m
 
VIII/J.22-10 Boggsite NaCa2(Al5Si19O48)·17(H2O) I mma 2/m 2/m 2/m
 
VIII/J.22-15 Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48·13(H2O) C 2/m 2/m
 
VIII/J.22-20 Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96·25(H2O) C 2/m 2/m
 
VIII/J.22-30 Mordenite (Ca,Na2,K2)Al2Si10O24·7(H2O) C mc21 mm2
 
VIII/J.22-40 Edingtonite BaAl2Si3O10·4(H2O) P 21212 2 2 2
 
VIII/J.22-50 Laumontite CaAl2Si4O12·4(H2O) C 2/m 2/m
 

Other Edingtonite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Edingtonite :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 -Athena 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (MinSocAm) 9 -Handbook of Mineralogy (UofA) 10 -MinDAT 11 -MinMax(Deutsch) 12 -MinMax(English) 13 -Mineralienatlas (Deutsch) 14 -QUT Mineral Atlas 15 - WWW-MINCRYST 16 -Zeolite Database by Bruno Herreros 17 -École des Mines de Paris

Search for Edingtonite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Edingtonite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Edingtonite Mineral Data :

Ask about Edingtonite 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 Español

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

Edingtonite

BaAl2Si3O10·4(H2O)
Dana No: 77.1.5.6 Strunz No: VIII/J.22-40
Locality:

 

Notes:

 
 
   
 
Go To Webmineral Home Crystallography X-Ray D-Spacing Table Chemical Composition
Dana Classification Strunz Classification Table of Mineral Properties Alphabetical Listing of Minerals
Search Webmineral Photo Gallery of Mineral Images Help Files Links