Willhendersonite  Mineral Data

Willhendersonite Mineral Data

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


Dan Weinrich Fine Minerals
[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows


General Willhendersonite Information

Help on Chemical  Formula: Chemical Formula: KCaAl3Si3O12•5(H2O)
Help on Composition: Composition: Molecular Weight = 526.45 gm
   Potassium   7.43 %  K     8.95 % K2O
   Calcium     7.61 %  Ca   10.65 % CaO
   Aluminum   15.38 %  Al   29.05 % Al2O3
   Silicon    16.00 %  Si   34.24 % SiO2
   Hydrogen    1.91 %  H    17.11 % H2O
   Oxygen     51.67 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCaAl3Si3O12•5(H2O)
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: San Venanzo quarry, Terni, Umbria, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after William A. Henderson, of Stamford, Connecticut, U.S.A., who noted this as an unusual mineral and provided it for study.
Help on Name Pronunciation: Name Pronunciation: Willhendersonite + Pronunciation Say WILLHENDERSONITE
Help on Synonym: Synonym: ICSD 30873
  PDF 35-643
 

Willhendersonite Image

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

Willhendersonite

Comments: Colorless tabular willhendersonite crystals forming a spherical aggregate.
Location: San Venzano Quarry, Terni, Umbria, central Italy. Scale: See Image.
© Rruff Database

Willhendersonite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9989:1:1.0308
Help on Cell Dimensions: Cell Dimensions: a = 9.206, b = 9.216, c = 9.5, Z = 2; alpha = 92.34°, beta = 92.7°, gamma = 90.12° V = 804.44 Den(Calc)= 2.17
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.16(1), 2.907(0.6), 2.804(0.5),
Click Here for Large Willhendersonite 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


Tillmanns E , Fischer R X , Baur W H , Neues Jahrbuch fur Mineralogie, Monatshefte , 1984 (1984) p.547-558, Chabazite-type framework in the new zeolite willhendersonite,, KCaAl3O12*5H2O

 

Physical Properties of Willhendersonite

Help on Cleavage: Cleavage: {100} Perfect, {010} Perfect, {001} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 2.18
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Willhendersonite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.026 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2355,KPDmeas= 0.2344,KC= 0.2294
Ncalc = 1.5
Help on Optical Data: Optical Data: Biaxial (?), a=1.505, b=1.511, g=1.517, bire=0.0120, 2V(Calc)=88, 2V(Meas)=87.
 

Calculated Properties of Willhendersonite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.20 gm/cc
note: Specific Gravity of Willhendersonite =2.18 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.007836773
Boson Index = 0.992163227
Help on Photoelectric: Photoelectric: PEWillhendersonite = 2.75 barns/electron
U=PEWillhendersonite x relectron= 6.07 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 108.27 (Gamma Ray American Petroleum Institute Units)
Concentration of Willhendersonite per GRapi unit = 0.92 (%)

Estimated Radioactivity from Willhendersonite - barely detectable

 

Willhendersonite Classification

Help on  Dana Class: Dana Class: 77.01.02.03 (77)Tectosilicate Zeolite group
  (77.01)true zeolites
  (77.01.02)Chabazite and related species
 
77.01.02.01 Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]•12H2O P1 1
 
77.01.02.01a Chabazite-Na! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.01b Chabazite-K! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.01c Chabazite-Sr! (Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
77.01.02.02 Herschelite? (Na,Ca,K)AlSi2O6•3(H2O) R 3m 3 2/m
 
77.01.02.03 Willhendersonite KCaAl3Si3O12•5(H2O) P1 1
 
77.01.02.04 Offretite (K2,Ca,Mg)2.5Al5Si13O36•15(H2O) P 6m2 6 m2
 
77.01.02.05 Erionite-Na (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.05a Erionite-K! (K2,Ca,Na2)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.05b Erionite-Ca! (Ca,K2,Na2)2[Al4Si14O36]•15(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06 Gmelinite-Na (Na2,Ca)Al2Si4O12•6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06a Gmelinite-Ca! (Ca,Na2)Al2Si4O12•6(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.06b Gmelinite-K! (K,Na,Ca)6(Al7Si17O48)•22(H2O) P 63/mmc 6/m 2/m 2/m
 
77.01.02.07 Faujasite-Na (Na2,Ca,Mg)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.07a Faujasite-Ca! (Ca,Na2,Mg)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.07b Faujasite-Mg! (Mg,Na2,Ca)3.5[Al7Si17O48]•32(H2O) F d3m 4/m 3 2/m
 
77.01.02.08 Levyne-Ca (Ca,Na2,K2)Al2Si4O12•6(H2O) R 3m 3 2/m
 
77.01.02.08a Levyne-Na! (Na2,Ca,K2)Al2Si4O12•6(H2O) R 3m 3 2/m
 
77.01.02.09 Tschortnerite! Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]•x(H2O),x>=20 F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 09.GD.10 09 - SILICATES (Germanates)
  09.G - Tektosilicates with Zeolitic H2O
  09.GD -Chains of 6-membered rings – tabular zeolites
 
09.GD.10 Chabazite-K! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]•12H2O P1 1
 
09.GD.10 Chabazite-Na! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Herschelite? (Na,Ca,K)AlSi2O6•3(H2O) R 3m 3 2/m
 
09.GD.10 Chabazite-Sr! (Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O) R 3m 3 2/m
 
09.GD.10 Willhendersonite KCaAl3Si3O12•5(H2O) P1 1
 

Other Willhendersonite Information

Help on References: References: NAME( CanMin, v 35, p 1591) 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 Willhendersonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Willhendersonite using:

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

Visit our Advertisers for Willhendersonite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Willhendersonite Mineral Data :

Ask about Willhendersonite 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 Willhendersonite Specimen Label here :

Willhendersonite

KCaAl3Si3O12•5(H2O)
Dana No: 77.01.02.03 Strunz No: 09.GD.10
Locality:

 

Notes: