Heulandite-Ba Mineral Data + Say HEULANDITE-BA

General Heulandite-Ba Information

Help on Chemical  Formula: Chemical Formula: (Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O)
Help on Composition: Composition: Molecular Weight = 2,990.65 gm
   Potassium   0.48 %  K     0.58 % K2O
   Barium     11.43 %  Ba   12.77 % BaO
   Sodium      0.25 %  Na    0.34 % Na2O
   Strontium   0.88 %  Sr    1.04 % SrO
   Calcium     1.89 %  Ca    2.64 % CaO
   Aluminum    8.08 %  Al   15.27 % Al2O3
   Silicon    25.36 %  Si   54.25 % SiO2
   Hydrogen    1.47 %  H    13.10 % H2O
   Oxygen     50.15 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba2.49Ca1.41Sr0.3K0.37Na0.33Al8.96Si27O72·21.75(H2O)
Help on Environment: Environment: Accessory mineral in hydrothermal veins of the Kongsberg silver deposit type. Chemical zoning is frequent, with transitions to heulandite-Ca and heulandite-Sr.
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Northern Ravnås prospect, southern Vinoren, 14 km NNW of Kongsberg town, Kongsberg ore district, Flesberg community, Buskerud county, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Ba-dominant analogue of heulandite.
Help on Synonym: Synonym: IMA2003-001
 

Search for Heulandite-Ba Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

  

Heulandite-Ba Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9933:1:0.4154
Help on Cell Dimensions: Cell Dimensions: a = 17.738, b = 17.856, c = 7.419, Z = 1; beta = 116.55° V = 2,102.02 Den(Calc)= 2.36
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.973(1)(151), 3.978(0.97)(131), 4.65(0.66)(131),7.941(0.66)(200), 2.807(0.65)(621), 5.12(0.59), 3.181(0.56),
Click Here for Large Heulandite-Ba 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


Larsen A O , Nordrum F S , Dobelin N , Armbruster T , Petersen O V , Erambert M , European Journal of Mineralogy , 17 (2005) p.143-153, Heulandite-Ba, a new zeolite species from Norway, Locality: Northern Ravnas silver prospect, southern Vinoren, Flesberg community,, Buskerud county, Norway (Kongsberg ore district)

 

Physical Properties of Heulandite-Ba

Help on Cleavage: Cleavage: [010] Perfect
Help on Color: Color: Colorelss, White, Yellowish white, Pale biege.
Help on Density: Density: 2.35
Help on Diaphaniety: Diaphaniety: Translucent to transparent
Help on Fracture: Fracture: Sub Conchoidal - Fractures developed in brittle materials characterized by semi-curving surfaces.
Help on Habit: Habit: Blocky - Crystal shape tends to be equant (e.g. feldspars).
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Heulandite-Ba

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2157,KPDmeas= 0.2166,KC= 0.2142
Help on Optical Data: Optical Data: Biaxial (+), a=1.5056, b=1.5064, g=1.515, bire=0.0094, 2V(Calc)=36, 2V(Meas)=38. Dispersion r > v distinct.
 

Calculated Properties of Heulandite-Ba

Help on Electron Density: Electron Density:

relectron=2.33 gm/cc
note: rHeulandite-Ba =2.36 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.0331
Boson Index = 0.9669
Help on Photoelectric: Photoelectric:

PEHeulandite-Ba = 48.87 barns/electron
U=PEHeulandite-Ba x relectron= 113.98 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 6.92 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Heulandite-Ba - barely detectable

 

Heulandite-Ba Classification

Help on  Dana Class: Dana Class: 77.1.4.1d (77)Tectosilicate Zeolite group
  (77.1)true zeolites
  (77.1.4)Heulandite and related species
 
77.1.4.1 Heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, Cm, C 2 Mono
 
77.1.4.1a Heulandite-Na! (Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, Cm, C 2 Mono
 
77.1.4.1b Heulandite-K! (K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, Cm, C 2 2/m
 
77.1.4.1c Heulandite-Sr! (Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, Cm, C 2 Mono
 
77.1.4.1d Heulandite-Ba ! (Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O) C 2/m 2/m
 
77.1.4.2 Clinoptilolite-K (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, C 2, Cm Mono
 
77.1.4.2a Clinoptilolite-Na! (Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m, C 2, Cm Mono
 
77.1.4.2b Clinoptilolite-Ca! (Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12(H2O) C 2/m 2/m
 
77.1.4.3 Stilbite-Ca NaCa4[Al8Si28O72]·n(H2O)(n=28-32) C 2/m 2/m
 
77.1.4.3a Stilbite-Na! Na3Ca3[Al8Si28O72]·n(H2O)(n=28-32) C 2/m 2/m
 
77.1.4.4 Stellerite CaAl2Si7O18·7(H2O) F mmm 2/m 2/m 2/m
 
77.1.4.5 Barrerite (Na,K,Ca)2Al2Si7O18·6(H2O) Amma or Ammm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: VIII/JX.00-00 VIII - Silicates
  VIII/JX - Unclassified Strunz Tectosilicates
  VIII/JX.00 - Heulandite Series
 

Other Heulandite-Ba Information

Help on References: References: NAME( EurJMin, 17:143) PHYS. PROP.(EurJMin, 17:143) OPTIC PROP.(EurJMin, 17:143)
Help on See Also: See Also: Links to other databases for Heulandite-Ba :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Heulandite-Ba 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 Heulandite-Ba :
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 Heulandite-Ba Mineral Data :

Ask about Heulandite-Ba 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 Heulandite-Ba Specimen Label here :

Heulandite-Ba

(Ba,Ca,K,Na,Sr)5Al9Si27O72·22(H2O)
Dana No: 77.1.4.1d Strunz No: VIII/JX.00-00
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