Wadalite Mineral Data

Wadalite Mineral Data
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General Wadalite Information

Help on Chemical Formula: Chemical Formula: Ca6Al5Si2O16Cl3
Help on Composition: Composition: Molecular Weight = 795.48 gm
   Calcium    30.23 %  Ca   42.30 % CaO
   Magnesium   1.83 %  Mg    3.04 % MgO
   Aluminum   11.19 %  Al   21.15 % Al2O3
   Iron        2.11 %  Fe    3.01 % Fe2O3
   Silicon     9.53 %  Si   20.39 % SiO2
   Chlorine   12.92 %  Cl   12.92 % Cl
                -   %   Cl   -2.92 % -O=Cl2   
   Oxygen     32.18 %  O
             ______        ______ 
             100.00 %       99.90 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca6Al3.3Fe3+0.3Mg0.6Si2.7O16Cl2.9
Help on Environment: Environment: Skarn xenolith in two-pyroxene andesite.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Tadano, Koriyama Cith, Fukushima Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Tsunashiro Wada (1856-1920), first Director General of the Geological Survey of Japan.
Help on Name Pronunciation: Name Pronunciation: Wadalite Say WADALITE
Help on Synonym: Synonym: ICSD 72504
  IMA1987-045
  PDF 81-1135
 

Wadalite Image

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Wadalite

Comments: Gray wadalite masses in matrix.
Location: Tadano, Koriyama, Fukushima, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Wadalite   Kumtyubeite   Srebrodolskite   Rondorfite

Comments: BSE image of kumtyubeite (Kmt) associated with srebrodolskite (Srb), bultfonteinite (Blt), Ca- kydrosilicates, wadalite (Wad), rondorfite (Rndr), and ettringite (dark gray). (AmMin, v94:1361).
Location: Rock-forming mineral found in skarn carbonate-xenoliths in ignimbrites of the Upper Chegem volcanic structure, Kabardino-Balkaria, Northern Caucasus, Russia. Scale: See Image.
© American Mineralogist

Wadalite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 12.014, Z = 4; V = 1,734.06 Den(Calc)= 3.05
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43d
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.686(1)(420), 3.003(0.42)(400), 2.452(0.39)(422),1.665(0.25)(640), 2.335(0.18)(510), 2.193(0.17)(521), 4.903(0.16)(211),
Click Here for Large Wadalite Structure Window Crystal Structure:

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Tsukimura K , Kanazawa Y , Aoki M , Bunno M , Acta Crystallographica, Section C , 49 (1993) p.205-207, Structure of wadalite Ca6Al5Si2O16Cl3, Note: the values for the anisoU s are from ICSD

 

Physical Properties of Wadalite

Help on Color: Color: Colorless, Colorless.
Help on Density: Density: 3.06
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Wadalite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2321,KPDmeas= 0.2314,KC= 0.2314
Ncalc = 1.71
Help on Optical Data: Optical Data: Isotropic, n=1.708.
 

Calculated Properties of Wadalite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.02 gm/cc
note: Specific Gravity of Wadalite =3.06 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.007294096
Boson Index = 0.992705904
Help on Photoelectric: Photoelectric: PEWadalite = 5.93 barns/electron
U=PEWadalite x rElectron Density= 17.92 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wadalite is Not Radioactive
 

Wadalite Classification
Help on Dana Class: Dana Class: 51.04.05.01 (51)Nesosilicate Insular SiO4 Groups Only
  (51.04)with cations in [6] and >[6] coordination
  (51.04.05)Dana Group
 
51.04.05.01 Wadalite Ca6Al5Si2O16Cl3 I 43d 4 3m
Help on Strunz Class: Strunz Class: 09.AD.25 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AD -Nesosilicates without additional anions;
 
09.AD.25 Almandine Fe3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Calderite (Mn,Ca)3(Fe,Al)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Andradite Ca3Fe2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Goldmanite Ca3(V,Al,Fe)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5) I a3d 4/m 3 2/m
 
09.AD.25 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Grossular Ca3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Henritermierite Ca3(Mn,Al)2(SiO4)2(OH)4 I 41/acd 4/m 2/m 2/m
 
09.AD.25 Katoite Ca3Al2(SiO4)3-x(OH)4xx=1.5-3 I a3d 4/m 3 2/m
 
09.AD.25 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe)3O12 I a3d 4/m 3 2/m
 
09.AD.25 Morimotoite Ca3TiFeSi3O12 I a3d 4/m 3 2/m
 
09.AD.25 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Spessartine Mn3Al2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Schorlomite Ca3(Ti,Fe,Al)2[(Si,Fe,Fe)O4]3 I a3d 4/m 3 2/m
 
09.AD.25 Uvarovite Ca3Cr2(SiO4)3 I a3d 4/m 3 2/m
 
09.AD.25 Wadalite Ca6Al5Si2O16Cl3 I 43d 4 3m
 
09.AD.25 Holtstamite! Ca3(Al,Mn)2(SiO4)2(OH)4 I 41/acd 4/m 2/m 2/m
 

Other Wadalite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.78,p1317,1993) OPTIC PROP.(AmMin)
Help on See Also: See Also: Links to other databases for Wadalite :
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 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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

Wadalite

Ca6Al5Si2O16Cl3
Dana No: 51.04.05.01 Strunz No: 09.AD.25
Locality:

 

Notes: