Klochite Mineral Data

General Klochite Information

Chemical Formula:

([ ]1Na1)KFe2Zn3[Si12O30]

Composition:

Molecular Weight = 1,186.96 gm

Potassium 3.29 % K 3.97 % K₂O

Sodium 1.94 % Na 2.61 % Na₂O

Zinc 16.53 % Zn 20.57 % ZnO

Iron 9.41 % Fe 12.11 % FeO

Silicon 28.39 % Si 60.74 % SiO₂

Oxygen 40.44 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaKFe²⁺₂Zn₃Si₁₂O₃₀

Environment:

Milarite group

IMA Status:

Proposed IMA 2007

Locality:

Kl�ch, north of Bad Radkersburg, Eastern Styria, Austria Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Synonym:

IMA2007-054

Klochite Crystallography

Axial Ratios:

a:c = 1:1.41284

Cell Dimensions:

a = 10.12, c = 14.298, Z = 2; V = 1,268.14 Den(Calc)= 3.11

Crystal System:

Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6/mcc

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.149(1), 3.736(0.7), 2.77(0.68),3.227(0.67), 2.53(0.43), 5.54(0.43), 2.92(0.4), 4.13(0.4),

Optical Properties of Klochite

Optical Data:

NCalc= 1.6 - from Gladstone-Dale relationship (KC = 0.1943) where Ncalc=Dcalc*KC+1

Calculated Properties of Klochite

Electron Density:

Bulk Density (Electron Density)=3.04 gm/cc
note: Specific Gravity of Klochite =3.11 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_Klochite= 12.35 barns/electron
U=PE_Klochite x r_electron= 37.54 barns/cc.

Radioactivity:

GRapi = 46.44 (Gamma Ray American Petroleum Institute Units)
Concentration of Klochite per GRapi unit = 2.15 (%)

Estimated Radioactivity from Klochite - barely detectable

Klochite Classification

Dana Class:

63.02.01a.20 (63)Cyclosilicate Condensed Rings

(63.02)6-membered rings

(63.02.01a)Milarite - Osumilite group (Milarite - Osumilite subgroup)

63.02.01a.01 Brannockite KSn2Li3Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.02 Chayesite K(Mg,Fe)4Fe(Si12O30) P 6/mcc 6/m 2/m 2/m

63.02.01a.03 Darapiosite KNa2Zr[Li(Mn,Zr)2Si12O30] P 6/mcc 6/m 2/m 2/m

63.02.01a.04 Eifelite KNa3Mg4Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.05 Merrihueite (K,Na)2(Fe,Mg)5Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.06 Osumilite-(Fe) (K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.07 Osumilite-(Mg) (K,Na)(Mg,Fe)2(Al,Fe)3(Si,Al)12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.08 Poudretteite KNa2B3Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.09 Sugilite KNa2(Fe,Mn,Al)2Li3Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.10 Yagiite (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 P 6/mmc 6/m 2/m 2/m

63.02.01a.11 Dusmatovite K(K,Na,[])(Mn,Y,Zr)2(Zn,Li)3Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.12 Milarite K2Ca4Al2Be4Si24O60•(H2O) P 6/mcc 6/m 2/m 2/m

63.02.01a.13 Sogdianite (K,Na)2(Li,Fe,Al)3ZrSi12O30 P 6/mmm 6/m 2/m 2/m

63.02.01a.14 Roedderite (Na,K)2(Mg,Fe)5Si12O30 P 6₃/mmc 6/m 2/m 2/m

63.02.01a.15 Berezanskite! KLi3Ti2Si12O30 P 6/mcc 6/m 2/m 2/m

63.02.01a.16 Shibkovite! K(Ca,Mn,Na)2(K2-x,[]x)2ZnSi12O30(x~0.8) P 6/mcc 6/m 2/m 2/m

63.02.01a.17 Trattnerite! (Fe,Mg)2(Mg,Fe)3(Si12O30) P 6/mcc 6/m 2/m 2/m

63.02.01a.18 Almarudite! K([],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] P 6/mcc 6/m 2/m 2/m

63.02.01a.19 Oftedalite! (Sc,Ca)2KBe3Si12O30 P 6/mmc 6/m 2/m 2/m

63.02.01a.20 Klochite ([]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m

63.02.01a.21 Friedrichbeckeite! K([],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m

Strunz Class:

09.CX.00 09 - SILICATES (Germanates)

09.C - Unclassified Strunz Cyklosilicates

09.CX -Unknown

09.CX.00 Klochite ([]1Na1)KFe2Zn3[Si12O30] P 6/mcc 6/m 2/m 2/m

09.CX.00 Friedrichbeckeite! K([],Na)Mg2(Be2Mg)Si12O30 P 6/mcc 6/m 2/m 2/m

09.CX.00 IMA2009-004 KCa7Sn2Li3Si12O36F2 C 2/m 2/m

Other Klochite Information

See Also:

Links to other databases for Klochite :
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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Print or Cut-and-Paste your Klochite Specimen Label here :

Klochite

([ ]1Na1)KFe2Zn3[Si12O30]
Dana No: 63.02.01a.20 Strunz No: 09.CX.00
Locality:

Notes:

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