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Feklichevite (Feklichevit)

Pictures (6 Images total)

Feklichevit
Views (File:
1241926906
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Feklichevit
Bildbreite: 8 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite
Image: 1241926906
Rating: 7 (votes: 3)
License: Usage for Mineralienatlas project only
Feklichevit

Bildbreite: 8 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-10
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Orangit und Feklichevit (braun)
Views (File:
1279842134
): 1802
Orangit und Feklichevit (braun)
in Pektolith-Natrolith-Matrix; Bildbreite: 10 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite, Orangite
Image: 1279842134
Rating: 6.5 (votes: 2)
License: Usage for Mineralienatlas project only
Orangit und Feklichevit (braun)

in Pektolith-Natrolith-Matrix; Bildbreite: 10 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2010-07-23
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Feklichevit
Views (File:
1241926927
): 725
Feklichevit
Bildbreite: 15 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite
Image: 1241926927
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Feklichevit

Bildbreite: 15 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-10
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Feklichevit
Views (File:
1241926883
): 658
Feklichevit
Bildbreite: 8 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite
Image: 1241926883
Rating: 4 (votes: 1)
License: Usage for Mineralienatlas project only
Feklichevit

Bildbreite: 8 mm; Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-10
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Feklichevit
Views (File:
1360592210
): 392
Feklichevit
Bildbreite: 2 mm, Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite
Image: 1360592210
License: Usage for Mineralienatlas project only
Feklichevit

Bildbreite: 2 mm, Fundort: Kovdor Phlogopitlagerstätte, Kovdor-Massiv, Kola, Murmansk, Russland
Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-11
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
FEKLICHEVIT (dunkelbraun)
Views (File:
1352152099
): 416
FEKLICHEVIT (dunkelbraun)
Phlogopit-Lagerstätte Kovdor auf der Halbinsel Kola, Russland BB.: ca. 3mm
Copyright: Daniel Neumann; Contribution: Neumann
Collection: Daniel Neumann, Collection number: 00813.
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)
Mineral: Feklichevite
Image: 1352152099
Rating: 1 (votes: 1)
License: Usage for Mineralienatlas project only
FEKLICHEVIT (dunkelbraun) (SNr: 00813.)  D

Phlogopit-Lagerstätte Kovdor auf der Halbinsel Kola, Russland BB.: ca. 3mm
Collection: Daniel Neumann
Copyright: Daniel Neumann
Contribution: Neumann 2012-11-05
Locality: Kovdor-Phlogopitlagerstätte (Kovdorslyuda) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color dunkelbraun
Streak color bräunlichweiß
Lustre Glasglanz
Hardness (Mohs) 5.5
Cleavages vollkommen {001}
Fracture abgestuft bis uneben
Solubility +++ 1:1 HCl, HNO3
Crystal System trigonal, R3m

Chemism

Chemical formula

Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5

Chemical composition

Calcium, Chlor, Eisen, Natrium, Niob, Silicium, Zirconium, Sauerstoff, Wasserstoff

Unit weight: 3057.47882445 u; Number of atoms in the formula: 134.75

Info

Empirical formula:

Na11Ca9(Fe0.75Fe0.25)2Zr3Nb(Si25O73)((OH)0.55(H2O)0.3Cl0.1O0.05)5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.19

5.75

4.27

1.0079470

5.7956953
Oxygen

O

40.55

77.5

57.51

15.9994300

1,239.9558250
Sodium

Na

8.27

11

8.16

22.9897702

252.8874722
Silicon

Si

22.96

25

18.55

28.0855300

702.1382500
Chlorine

Cl

0.58

0.5

0.37

35.4532000

17.7266000
Calcium

Ca

11.80

9

6.68

40.0784000

360.7056000
Iron

Fe

3.65

2

1.48

55.8452000

111.6904000
Zirconium

Zr

8.95

3

2.23

91.2242000

273.6726000
Niobium

Nb

3.04

1

0.74

92.9063820

92.9063820

Analysis wt%

SiO2 : 50.35, Nb2O5 : 2.41, ZrO2 : 11.65, HfO2 : 0.62, Fe2O3 : 3.20, FeO : 2.08, MnO : 0.49, CaO : 15.55, Na2O : 11.45, Cl : 0.61 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 2001)

Strunz 9th edition incl. updates

9.CO.10

9: Silikate (Germanate)
C: Ringsilikate (Cyclosilikate)
O: ~[Si9O27]18- neuner-Ringe
10:Eudialyt-Gruppe

Lapis Classification

VIII/E.25-050

VIII: SILIKATE
E: Ringsilikate
25: Neunerringe + Dreierringe; Eudialyt-Gruppe

Classification by Hölzel

9.CG.110

9: SILICATES
C: Cyclosilicates
G: ~[Si3O9]6-- + ~[Si9O27]18--Rings Eudialyte-Group
1: Eudialyte-Group - c=30, Fe- Series

Dana 8th edition

64.01.01.09

64: Cyclosilicates Cyclosilicates
01: Cyclosilicates Cyclosilicates Cyclosilicate Rings with Other Anions and Insular Silicate Groups with mixed ring types
01: Eudialyte Group

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Eudialyte group

Optical Properties

Color

dunkelbraun

Streak color

bräunlichweiß

Diaphaneity (Transparency)

durchscheinend

Lustre

Glasglanz

max. Birefringence

0.004
Birefringence chart\! Feklichevite title=Birefringence chart Feklichevite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.616

RI value γ / ε

1.620

Ri mean

1.617

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

trigonal

Class (H-M)

3m

Space Group number

160

Space Group

R3m

Cell parameters a (Å)

14.255

Cell parameters b (Å)

-

Cell parameters c (Å)

30.170

Cell parameters a/b or c/a

2.116

Cell parameters c/b

-

Z

3

Volumne (ų)

5309.338

X-Ray Powder Diffraction

6.43(40),
4.31(70),
3.53(40),
3.218(60),
3.036(40),
2.977(80),
2.854(100),
2.602(40)
XRD chart Feklichevite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5.5

VHN (Hardness Vickers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.87 (gemessen)

2.869 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

abgestuft bis uneben

Tenacity

spröde

Instability

+++ 1:1 HCl, HNO3

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Kovdor-Phlogopitlagerstätte (Kovdorslyuda)

Preface

Associations

Aegirin, Cancrinit, Diopsid, Hämatit, Kalifeldspat, Pyrrhotin, Titanit

Name from

dem russischen Mineralogen und Kristallographen V. G. Feklichev (1933-1999)

Author (Name, Year)

Pekov & Ekimenkova & Chukanov & Rastsvetaeva & Kononkova & Pekova & Za

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 130 (2001) (3), 55

IMA group assignments

 
Eudialyte group
 
 
 

 
 
Aqualite
(H3O)8(Na, K, Sr)5Ca6Zr3Si26O66(OH)9Cl
trigonal
R3

 
 
Carbokentbrooksite
Na11-12(Na,Ce)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2·SiO]·H2O
trigonal
R3m

 
 
Dualite
Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9
trigonal
R3m

 
 
Eudialyte
Na15Ca6(Fe2+,Mn2+)3Zr3[(Cl,OH)|Si(O,OH,H2O)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Feklichevite
Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5
trigonal
R3m

 
 
Ferrokentbrooksite
Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2
trigonal
R3m

 
 
Georgbarsanovite
Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2·H2O
trigonal
R3m

 
 
Golyshevite
(Na,Ca)10Ca9Fe2Zr3NbSi25O72(OH)3CO3·H2O
trigonal
R3m

 
 
Ikranite
(Na,H3O)15(Ca,Mn)6Fe23+Zr3-4[Cl|{Si3O6(O,OH)3}2|(Si9O27)2·0-1 SiO] ·2-3 H2O
trigonal
R3m

 
 
Ilyukhinite
(H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2·3H2O
trigonal
R3m

 
 
Johnsenite-(Ce)
Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(OH)3(CO3)·H2O
trigonal
R3m

 
 
Kentbrooksite
Na15(Ca,Ce,La)6(Mn2+,Fe2+)3Zr3Nb[O|(F,Cl,OH)|Si3O9|Si9O27]2·2H2O
trigonal
R3m

 
 
Khomyakovite
Na12Sr3Ca6(Fe2+Mn2+)3Zr3(W,Nb)[(OH,Cl)|Si0.5(O,OH)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Manganoeudialyte
Na14Ca6Mn3Zr3[Si26O72(OH)2](H2O,Cl,O,OH)6
trigonal
R3m

 
 
Manganokhomyakovite
Na12Sr3Ca6(Mn2+,Fe2+)3Zr3(W,Nb)[(OH,Cl)|Si0.5(O,OH)2|Si3O9|Si9O27]2
trigonal
R3m

 
 
Mogovidite
Na9(Ca,Na)6Ca6Fe2Zr3☐Si25O72(CO3)(OH)4
trigonal
R3m

 
 
Na-dominat-M2-Eudialyt-Analog ?
Na14Ca6Zr3[Na2(Fe,Mn)][Si26O72](OH)2(H2O1.0Cl0.6S2-0.5)(OH,H2O)2.5
trigonal
R3m

 
 
Odikhinchaite
Na9Sr3[(H2O)2Na]Ca6Mn3Zr3NbSi(Si24O72)O(OH)3 (CO3)·H2O
trigonal
R3m

 
 
Oneillite
Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2
trigonal
R3

 
 
Raslakite
Na15Ca3Fe3(Na,Zr)3Zr3Nb<0.5[(Cl,OH)|(Si3O9)2|(Si9O27)2·SiO]·3(OH,H2O)
trigonal
R3

 
 
Rastsvetaevite
Na27K8Ca12Fe3Zr6Si52O144(OH,O)6Cl2
trigonal
R3m

 
 
Selsurtite
(H3O)12Na3(Ca3Mn3)(Na2Fe)Zr3Si[Si24O69(OH)3](OH)Cl⋅H2O
trigonal
R3

 
 
Sergevanite
Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3·H2O
trigonal
R3

 
 
Siudaite
Na8Mn2+3Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,☐,Ti)O72(O,OH)3Cl·4H2O
trigonal
R3m

 
 
Taseqite
Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2
trigonal
R3m

 
 
UM1971-22-SiO:CaClFeHMgMnNaNbZr
Na12Ca5(Ce,La,Y,Ca)Zr3(Zr,Nb)(Fe,Mn)3[Si9O24-26(OH)1-3]2[Si3O9]2Cl
trigonal
R3m

 
 
UM1990-78-SiO:CaClFeHKNaZr
(H3O)7(Na,K)5(Ca,Sr,Mn)6Zr3[Si3O7(O,OH)2]2[Si9O23(O,OH)4]2[SiNaFe(Zr,Ti,Al,Nb)◻]Cl1.5(O,OH)
trigonal
R3m

 
 
UM1990-80-SiO:CaFeHMnNaNbREEZr
Na14Ca4(Mn,Ca)2Zr3(Si3O9)2(Si9O27)2(Si,Nb,Al,Zr)2(Fe,Mn,Al,Ti)3(Na,Ce,La,Y,Mn)(Na,H2O,K,Sr)(OH)7-8
 
 

 
 
UM1998-21-SiO:CaCeClHMnNaZr
Na16Ca6(Mn,Ce)3Zr3(Si3O9)2(Si9O27)2(OH,Cl)4 · nH2O
trigonal
R3m

 
 
UM2000-66-SiO:CaClFeHMnNaNbSrZr
Na12(Ca,Mn)6(Sr,Na,K)3(Fe,Mn)3(Zr,Nb)4Si25O66(OH,Cl)11
trigonal
R3m

 
 
UM2000-67-SiO:CaClFeHMnNaNbZr
Zr4(Ca,Na,Mn,Fe)6(Fe,Mn,Ti)3Na17Si25O75(Al,Nb,Ti)Cl(OH)4.H2O
trigonal
R3m

 
 
UM2000-80-SiO:CaCeFFeHMnNaNbTiZr
Na14(Na,Ca,Ce)(Mn,Ca,Ce)[Fe1.55(Zr,Na)(◻,Ti,Nb)]Zr3(Si,Al)(Si3O9)2(Si9O27)2(OH,O)4(F ,Cl) · H2O
 
 

 
 
UM2003-39-SiO:CaClFeHHfNaNbSrTaTiZr
Na12(Na,K,Mn,Sr)2Ca5(Ca,Mn)(Zr,Hf)3(Fe,◻,Ta)3(Si,Nb,W)(Si,Al,Ti)Si24O72(OH,O)3.5Cl · 1.2H2O
trigonal
R3m

 
 
UM2004-51-SiO:CaClFFeHNaNbTi
Na16Ca6(Fe,Mn)3Zr3(Ti,Nb)Si26O72FCl0.5 · nH2O
trigonal
R3m

 
 
UM2005-36-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr
[(H3O)9.32Na5.86K0.53Ba0.36Sr0.15][Ca5.22Sr0.49Ce0.16Mn0.13][Zr2.42Ti0.54Hf0.02Nb0.02][Na1.48(Fe0.10(H2O)0.1)][Si1.0(OH)1.0][Si0.44Al0.06(OH)0.50][Si3O9]2[Si9O26.25(OH)0.75]2Cl1.0·1H2O
 
 

 
 
UM2005-37-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr
[(H3O)9.26Na2.12K1.20Ba0.46Sr0.48][Ca5.76Ce0.24][Zr2.92Ti0.08][Na0.62(Fe0.23Mn0.11(H2O)0.34)][(Si0.57)(Si0.21Al0.19Nb0.03)(OH)1.44][(Si0.45)(Ti0.21)(Si0.34)(O,OH)0.34(OH)1.08][Si0.19(OH)0.57] [Si3O9]2[Si9O27]2Cl1.05·0.8H2O
 
 

 
 
UM2005-38-SiO:AlBaCaClFeHKMnNaREESrTiZr
[(H3O)10.85Na3.3Sr0.48K0.21Ce0.2Y0.1Ba0.04][Ca2.1Na0.9][Ca2.4Na0.3Mn0.3][Zr2.97Hf0.03][Fe1.32Mn0.6O1.44(H2O)1.80][(Ti0.22Nb0.02)(Si0.23)(Si0.19)(OH)0.42][(Si0.44)(Nb0.1Al0.1)(Nb0.0)(OH)0.44][Si3O9]2[Si9O26.01(OH)0.99]2Cl1.0·1.19H2O
 
 

 
 
UM2005-39-SiO:AlBaCaClFeHKMnNaREESrTiZr
[(H3O)11.61Na3.0Sr0.63Ce0.22K0.2Y0.05Ba0.03][Ca2.25Na0.75][Ca2.4Mn0.6][Zr2.98Hf0.02][Fe3+0.66Mn0.3Mn0.3(H2O)1.43(OH)0.79][(Ti0.16Al0.07Mg0.03)(Si0.17)(OH)0.17][(Si0.50)(Si0.31)(Nb0.18Ta0.01)(OH)0.81][Si3O9]2[Si9O26.14(OH)0.86]2Cl1.1·0.63H2O
 
 

 
 
UM2005-40-SiO:AlCaClFeHKMnNaNbREESrTiY
[(H3O)5.58Na5.25Ce0.63K0.3Y0.19Sr0.05][Ca3][Ca1.71Mn1.29][Zr2.96Hf0.04][(Fe3+1.0Fe2+0.35)(Fe3+0.57)(Zr0.32Mn0.22)(O,OH)1.77(H2O)1.34][(Zr0.18)(Si0.5)(OH)0.5][(Nb0.41)(Al0.2Ti0.05)(Si018)(OH)0.93][Si3O9]2[Si9O26.28(OH)0.72]2Cl0.2·1.45H2O
 
 

 
 
UM2005-41-SiO:BaCaFeHKMgMnNaNbREESrTiYZr
[(H3O)8.53Na3.51Sr0.55Ce0.45Y0.3Ba0.15K0.06][Ca2.25Sr0.45Na0.3][Ca2.4Mn0.6][Zr2.97Hf0.03][(Mn0.64Fe0.38)O0.3(H2O)0.72][(Si0.49)(Si0.41)(Nb0.1)(OH)0.9][(Si0.29)(Si0.2)(Ti0.1Mg0.07Nb0.02)(OH)1.06][Si3O9]2[Si9O26.52(OH)0.48]2·2.12H2O
 
 

 
 
UM2006-17-SiO:CaClFFeHMnNaZr
Na15(Ca3Mn3)Zr3(Fe,Zr)3SiSi(Si3O9)2(Si9O27)2O2(OH,F,Cl)3 · 2H2O
 
 

 
 
UM2006-18-SiO:CaClFFeHMnNaZr
Na15Ca3(Mn,Fe)3Zr3(Zr,Na)3(Si,Nb)(S,Ti,Si)(Si3O9)2(Si9O27)2(O,OH)5(Cl,F,H2O)
 
 

 
 
UM2006-28-SiO:CaHMnNaZr
Na33Ca12Zr6 Mn3(Mn,Nb,Ti)2Si50O132(O,OH)12(OH,H2O,Cl)10
 
 

 
 
UM2010-06-SiO:CaFeHMnNaNbREETiZr
[Na,(H3O)]15(Ca3Mn3)Na3Zr3(Si,Ti)[Si25O72OH](OH)2 · 2H2O
 
 

 
 
UM-1990-79-SiO:CaClFeHMnNaNbREEZr
Na14Ca5(Mg,Ca,Mn)Zr3(Si3O9)2(Si9O27)2(Si,Nb,Al,Zr)2(Fe,Zr)3(Mn,Na,Ce,La,Y)(Na,H2O,K,Sr)(OH)4-5(OH,Cl)
 
 

 
 
Unnamed (Eudialyte 3248)
Na29Ca12Zr6[Si48O132(O,OH)12]{[Na]4[Si]2}{[Mn]3[Mn,Nb,Ti]2}(OH,H2O,Cl)10
trigonal
R3m

 
 
Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride)
Na37Ca10Mn2FeZr6Si50(Ti,Nb)2O144(OH)5Cl3 · H2O
trigonal
R3m

 
 
Zirsilite-(Ce)
(Na,☐)12(Ce,Na)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O
trigonal
R3m

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Actuality: 30. Mar 2023 - 09:39:38

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Feklichevite

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Фекличевит

CNMNC (IMA)-Number

IMA 2000-017

CNMNC symbol

Symbol

Fek

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