Mineralogy Database

Florkeite Mineral Data

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General Florkeite Information

Help on Chemical  Formula: Chemical Formula: (K3Ca2Na)[Al8Si8O32]•12H2O
Help on Composition: Composition: Molecular Weight = 1,389.14 gm
   Potassium   8.44 %  K    10.17 % K2O
   Sodium      1.65 %  Na    2.23 % Na2O
   Calcium     5.77 %  Ca    8.07 % CaO
   Aluminum   15.54 %  Al   29.36 % Al2O3
   Silicon    16.17 %  Si   34.60 % SiO2
   Hydrogen    1.74 %  H    15.56 % H2O
   Oxygen     50.68 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3Ca2NaAl8Si8O32•12(H2O)
Help on Environment: Environment: Zeolite group
Help on IMA Status: IMA Status: Proposed IMA 2008
Help on Locality: Locality: Bellerberg volcano, east of Ettringen, eastern Eifel volcanic area, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2008-036
 

Florkeite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.3989:1:0.6099
Help on Cell Dimensions: Cell Dimensions: a = 19.965, b = 14.271, c = 8.704, alpha = 88.37°, beta = 125.08°, gamma = 89.57° V = 2,028.59
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.235(1), 3.135(0.8), 3.162(0.8),2.736(0.6), 4.965(0.45), 2.665(0.4), 2.712(0.4), 4.065(0.35),
 

Optical Properties of Florkeite

Help on Optical Data: Optical Data:
 

Calculated Properties of Florkeite

Help on Fermion Index: Fermion Index: Fermion Index = 0.007887294
Boson Index = 0.992112706
Help on Photoelectric: Photoelectric: PEFlorkeite = 2.67 barns/electron
U=PEFlorkeite x relectron= . barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 122.76 (Gamma Ray American Petroleum Institute Units)
Concentration of Florkeite per GRapi unit = 0.81 (%)

Estimated Radioactivity from Florkeite - barely detectable

 

Florkeite Classification

Help on  Dana Class: Dana Class: 75.00.00.00 (75)Tektosilicate Minerals
  (75.00)Without Dana Classification Numbers
  (75.00.00)Silicate, Unclassified
 
75.00.00.00 Alflarsenite NaCa2Be3Si4O13(OH)•2H2O P 21 2
 
75.00.00.00 Florkeite (K3Ca2Na)[Al8Si8O32]•12H2O P1 1
 
75.00.00.00 Lechatelierite* SiO2 None
Help on  Strunz Class: Strunz Class: 09.CG.10 09 - SILICATES (Germanates)
  09.C - Cyclosilicates
  09.CG -[Si4O12]8- Branched 4-membered single rings
 
09.CG.10 Florkeite (K3Ca2Na)[Al8Si8O32]•12H2O P1 1
 

Other Florkeite Information

Help on See Also: See Also: Links to other databases for Florkeite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

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

Florkeite

(K3Ca2Na)[Al8Si8O32]•12H2O
Dana No: 75.00.00.00 Strunz No: 09.CG.10
Locality:

 

Notes: