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Raslakite (Raslakit)

Pictures (1 Images total)

Raslakit (rot) in Nephelin Syenit
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1244976137
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Raslakit (rot) in Nephelin Syenit
Bildbreite: 12 mm; Fundort: Karnasurt, Lovozero-Massiv, Kola, Russland
Copyright: Pavel M. Kartashov; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Karnasurt, Berg
Mineral: Raslakite
Image: 1244976137
Rating: 5.5 (votes: 2)
License: Usage for Mineralienatlas project only
Raslakit (rot) in Nephelin Syenit

Bildbreite: 12 mm; Fundort: Karnasurt, Lovozero-Massiv, Kola, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-14
Locality: Karnasurt, Berg / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color bräunlichrot
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 5
Cleavages nonvollkommen
Fracture muschelig
Crystal System trigonal, R3

Chemism

Chemical formula

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

Chemical composition

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

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.25-016

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

Classification by Hölzel

9.CG.130

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

Dana 8th edition

64.01.01.16

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

bräunlichrot

Streak color

weiß

Lustre

Glasglanz

max. Birefringence

0.004
Birefringence chart\! Raslakite title=Birefringence chart Raslakite

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

1.615

RI value γ / ε

1.611

Ri mean

1.614

Crystallography

Crystal System

trigonal

Class (H-M)

3

Space Group number

146

Space Group

R3

Cell parameters a (Å)

14.229

Cell parameters b (Å)

-

Cell parameters c (Å)

30.019

Cell parameters a/b or c/a

2.110

Cell parameters c/b

-

Z

3

Volumne (ų)

5263.512

X-Ray Powder Diffraction

5.72(40),
4.311(70),
4.095(20),
3.209(60),
3.023(40),
2.974(90),
2.853(100),
2.592(30)
XRD chart Raslakite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.95

Cleavages

nonvollkommen

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Lovozero/Karnasurt, Berg

Preface

Author (Name, Year)

Chukanov & Pekov & Zadov & Korovushkin & Ekimenkova & Rastsvetaeva, 20

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 132 (2003) (5), 22

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: 21. Mar 2023 - 13:40:51

Other languages

German

Raslakit

Spanish

Raslakita

English

Raslakite

French

Raslakite

Russian

Раслакит

Traditional Chinese

富鈉異性石

Simplified Chinese

富钠异性石

CNMNC (IMA)-Number

IMA 2002-067

CNMNC symbol

Symbol

Rsk