Eudialyte
A valid IMA mineral species - grandfathered
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About Eudialyte
Formula:
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Alternatively:
(Na3Na3Na3Na3Na3)Ca6(IVFe2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27SiO]Cl(H2O)
This updated formulation attempts to better illustrate structural relationships to other members of the group (and is also charge-balanced).
(Na3Na3Na3Na3Na3)Ca6(IVFe2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27SiO]Cl(H2O)
This updated formulation attempts to better illustrate structural relationships to other members of the group (and is also charge-balanced).
Colour:
Variable: Carmine-red, orange-red, orange, pink, cherry-red, brownish-red, yellowish-brown, brown, yellow, violet, green.
Lustre:
Vitreous, Dull
Hardness:
5 - 6
Specific Gravity:
2.74 - 3.1
Crystal System:
Trigonal
Member of:
Name:
From the Greek for "readily decomposable," in allusion to its easy solubility in acids.
Principal member of the Eudialyte Group.
Note: most "eudialyte" photos on Mindat probably show unanalysed material and should be labeled "Eudialyte Group" since they might represent not eudialyte sensu stricto, but any of the various other members of the eudialyte group.
Note: most "eudialyte" photos on Mindat probably show unanalysed material and should be labeled "Eudialyte Group" since they might represent not eudialyte sensu stricto, but any of the various other members of the eudialyte group.
Visit gemdat.org for gemological information about Eudialyte.
Unique Identifiers
Mindat ID:
1420
Long-form identifier:
mindat:1:1:1420:1
GUID
(UUID V4):
(UUID V4):
cae25f01-9175-41b2-b476-42faefee2055
IMA Classification of Eudialyte
Approved, 'Grandfathered' (first described prior to 1959)
Classification of Eudialyte
9.CO.10
9 : SILICATES (Germanates)
C : Cyclosilicates
O : [Si9O27]18- 9-membered rings
9 : SILICATES (Germanates)
C : Cyclosilicates
O : [Si9O27]18- 9-membered rings
Dana 7th ed.:
64.1.1.1
64.1.1.1
64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types
64 : CYCLOSILICATES Rings with Other Anions and Insular Silicate Groups
1 : Rings with Other Anions and Insular Silicate Groups with mixed ring types
17.3.6
17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Eud | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Eud | Whitney & Evans (2010) | Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371 |
Eud | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Pronunciation of Eudialyte
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
Physical Properties of Eudialyte
Vitreous, Dull
Transparency:
Translucent
Colour:
Variable: Carmine-red, orange-red, orange, pink, cherry-red, brownish-red, yellowish-brown, brown, yellow, violet, green.
Streak:
White to pale pink
Hardness:
5 - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Distinct on {0001}, imperfect on {1010} and {1014} {1120}.
Distinct on {0001}, imperfect on {1010} and {1014} {1120}.
Fracture:
Irregular/Uneven
Density:
2.74 - 3.1 g/cm3 (Measured)
Optical Data of Eudialyte
Type:
Uniaxial (+/-)
RI values:
nω = 1.606 - 1.610 nε = 1.610 - 1.613
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Weak
Comments:
O= colorless, pale yellow, pink
E= pink to colorless
E= pink to colorless
Chemistry of Eudialyte
Mindat Formula:
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Alternatively:
(Na3Na3Na3Na3Na3)Ca6(IVFe2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27SiO]Cl(H2O)
This updated formulation attempts to better illustrate structural relationships to other members of the group (and is also charge-balanced).
Alternatively:
(Na3Na3Na3Na3Na3)Ca6(IVFe2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27SiO]Cl(H2O)
This updated formulation attempts to better illustrate structural relationships to other members of the group (and is also charge-balanced).
Common Impurities:
K,Mg,Sr,TR,Ti,Nb,Al,F,P,S
Crystallography of Eudialyte
Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 14.31 Å, c = 30.15 Å
Ratio:
a:c = 1 : 2.107
Unit Cell V:
5,346.84 ų (Calculated from Unit Cell)
Z:
3
Morphology:
short rhombohedral to long prismatic
Crystallographic forms of Eudialyte
Crystal Atlas:
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0005607 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Mont Saint-Hilaire, Rouville County, Quebec, Canada | 0 | 293 | |
0005608 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Mont Saint-Hilaire, Rouville County, Quebec, Canada | 0 | 293 | |
0005613 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Kipawa alkaline complex, Villedieu township, Temiscaminque County, Quebec, Canada | 0 | 293 | |
0005614 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Kipawa alkaline complex, Villedieu township, Temiscaminque County, Quebec, Canada | 0 | 293 | |
0005615 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Saint-Amable sill, Varennes, Verchares County, Canada | 0 | 293 | |
0005616 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Gardiner complex, East Greenland | 0 | 293 | |
0005617 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Gardiner complex, East Greenland | 0 | 293 | |
0005618 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Gardiner complex, East Greenland | 0 | 293 | |
0005620 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group Loclaity: Narssarssuk pegmatite, South Greenland The Canadian Mineralogist 37 865-891 | 1999 | 0 | 293 | ||
0005621 | Eudialyte | Johnsen O, Grice J D (1999) The crystal chemistry of the eudialyte group The Canadian Mineralogist 37 865-891 | 1999 | Illimaussaq complex, South Greenland | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.82 Å | (100) |
2.94 Å | (90) |
3.10 Å | (80) |
4.25 Å | (50) |
4.05 Å | (40) |
3.35 Å | (40) |
3.19 Å | (40) |
2.58 Å | (40) |
3.73 Å | (35) |
3.48 Å | (35) |
5.60 Å | (30) |
3.01 Å | (30) |
Comments:
Kipawa Lake, Quebec, Canada. Data from Edgar and Blackburn (1972).
Geological Environment
Geological Setting:
Nepheline syenites, alkalic granites.
Type Occurrence of Eudialyte
Synonyms of Eudialyte
Other Language Names for Eudialyte
Relationship of Eudialyte to other Species
Member of:
Other Members of this group:
Alluaivite | Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl · 2H2O | Trig. 3m (3 2/m) : R3m |
Amableite-(Ce) | Na15[(Ce1.5Na1.5)Mn3]Mn2Zr3◻Si[Si24O69(OH)3](OH)2 · H2O | Trig. 3 : R3 |
Andrianovite | Na12(K,Sr,Ce)3Ca6Mn3Zr3Nb(Si25O73)(O,H2O,OH)5 | Trig. 3m : R3m |
Aqualite | (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl | Trig. 3 : R3 |
Carbokentbrooksite | (Na3Na3Na3Na3Na3)Ca6(VMn2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27Nb(OH)3](CO3)(H2O) | Trig. 3m : R3m |
Davinciite | Na12K3Ca6Fe2+3Zr3(Si26O73OH)Cl2 | Trig. 3m : R3m |
Dualite | Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3Mn[Si51O144](OH,H2O,Cl)9 | Trig. 3m : R3m |
Feklichevite | Na11Ca9(Fe3+,Fe2+)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 | Trig. 3m : R3m |
Fengchengite | Na12◻3(Ca,Sr)6Fe3+3 Zr3Si(Si25O73)(H2O,OH)3(OH,Cl)2 | Trig. 3m (3 2/m) : R3m |
Ferrokentbrooksite | Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3Cl2 | Trig. 3m : R3m |
Georgbarsanovite | Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2 · H2O | Trig. 3m : R3m |
Golyshevite | Na10Ca3Ca6Zr3Fe2SiNb(Si3O9)2(Si9O27)2CO3(OH)3 · H2O | Trig. 3m : R3m |
Hydrorastsvetaevite | (Na11(H3O)11K6(H2O)1.5Sr)Ca12Fe3Na2MnZr6Si52O144(OH)4.5Cl3.5 | Trig. 3m : R3m |
Ikranite | (Na,H3O)15(Ca,Mn2+)6Fe3+2Zr3[H0-3Si3O9)2(Si9O27)2SiO]Cl · 2-3H2O | Trig. 3m : R3m |
Ilyukhinite | (H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2 · 3H2O | Trig. 3m : R3m |
Johnsenite-(Ce) | Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2 | Trig. 3m : R3m |
Kentbrooksite | (Na,REE)15(Ca,REE)6(Mn2+,Fe2+)3Zr3Nb[Si25O74]F2 · 2H2O | Trig. 3m : R3m |
Khomyakovite | Na12Sr3Ca6Fe3Zr3W[Si25O73](O,OH,H2O)3(OH,Cl)2 | Trig. 3m : R3m |
Labyrinthite | (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 | Trig. 3 : R3 |
Manganoeudialyte | Na14Ca6Mn3Zr3[Si26O72(OH)2](H2O,Cl,O,OH)6 | Trig. 3m : R3m |
Manganokhomyakovite | Na12Sr3Ca6Mn3Zr3W[Si25O73](O,OH,H2O)3(OH,Cl)2 | Trig. 3m : R3m |
Mogovidite | Na9(Ca,Na)12Fe2Zr3Si25O72(CO3) (OH)4 | Trig. 3m : R3m |
Odikhinchaite | Na9Sr3[(H2O)2Na]Ca6Mn3Zr3NbSi (Si24O72)O(OH)3(CO3) · H2O | Trig. 3m : R3m |
Oneillite | Na15Ca3Mn3Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 | Trig. 3 : R3 |
Raslakite | Na15Ca3Fe2+3(Na,Zr)3Zr3(Si,Nb)[(Si3O9)2(Si9O27)2SiO](OH,H2O)3(Cl,OH) | Trig. 3 : R3 |
Rastsvetaevite | Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 | Trig. 3m : R3m |
Selsurtite | (H3O)12Na3(Ca3Mn3)(Na2Fe)Zr3◻{Si(Si3O9)2(Si9O27)Si9O24(OH)3}(OH)Cl(H2O) | Trig. 3 : R3 |
Sergevanite | Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3 · H2O | Trig. 3 : R3 |
Siudaite | Na8(Mn2+2Na)Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,◻,Ti)O74(OH)2Cl · 5H2O | Trig. 3m : R3m |
Taseqite | Na12Sr3Ca6Fe3Zr3Nb[(Si3O9)2(Si9O27)2SiO]Cl2(O,OH,H2O)3 | Trig. 3m : R3m |
UM1971-22-SiO:CaClFeHMgMnNaNbZr | Na12Ca5(Ce,La,Y,Ca)Zr3(Zr,Nb)(Fe,Mn)3[Si9O24-26(OH)1-3]2[Si3O9]2Cl | Trig. 3m : 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) | Trig. 3m : R3m |
UM1990-79-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) | |
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 | Trig. 3m : R3m |
UM1999-36-SiO:CaCeHMnNaNbSrZr | Na17(Ca,Ce,Sr)2Mn3(Zr,Nb)4Si25O73(O,OH,F,Cl)5 | Trig. 3 : R3 |
UM2000-66-SiO:CaClFeHMnNaNbSrZr | Na12(Ca,Mn)6(Sr,Na,K)3(Fe,Mn)3(Zr,Nb)4Si25O66(OH,Cl)11 | Trig. 3m : R3m |
UM2000-67-SiO:CaClFeHMnNaNbZr | Zr4(Ca,Na,Mn,Fe)6(Fe,Mn,Ti)3Na17Si25O75(Al,Nb,Ti)Cl(OH)4.H2O | Trig. 3m : 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 | Trig. 3m : R3m |
UM2004-51-SiO:CaClFFeHNaNbTi | Na16Ca6(Fe,Mn)3Zr3(Ti,Nb)Si26O72FCl0.5 · nH2O | Trig. 3m : R3m |
UM2005-36-SiO:AlBaCaClFeHKMnNaREESrTiZr | [(H3O)9.32Na5.86K0.53Ba0.36Sr0.15][Ca5.22Sr0.49Ce0.16Mn0.13][Zr2.42Ti0.54Hf0.02Nb0.02][Na1.48(Fe | |
UM2005-37-SiO:AlBaCaClFeHKMnNaREESrTiZr | [(H3O)9.26Na2.12K1.20Ba0.46Sr0.48][Ca5.76Ce0.24][Zr2.92Ti0.08][Na0.62(Fe0.23Mn0.11(H2O)0.34)][Si | |
UM2005-38-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr | [(H3O)10.85Na3.3Sr0.48K0.21Ce0.2Y0.1Ba0.04][Ca2.10Na0.9][Ca2.4Na0.3Mn0.3][Zr2.97Hf0.03][Fe1.32 | |
UM2005-39-SiO:AlBaCaClFeHKMnNaNbREESrTiYZr | [(H3O)11.61Na3.0Sr0.63Ce0.22K0.2Y0.05Ba0.03][Ca2.25Na0.75][Ca2.4Mn0.6][Zr2.98Hf0.02][Fe3+0.66 | |
UM2005-40-SiO:AlCaClFeHKMnNaNbREESrTiYZr | [(H3O)5.58Na5.25Ce0.63K0.3Y0.19Sr0.05][Ca3][Ca1.71Mn1.29][Zr2.96Hf0.04][(Fe3+1.0Fe2+0.35)(Fe3+ | |
UM2005-41-SiO:BaCaFeHKMgMnNaNbREESrTiYZr | [(H3O)8.53Na3.51Sr0.55Ce0.45Y0.3Ba0.15K0.06][Ca2.25Sr0.45Na0.3][Ca2.4Mn0.6][Zr2.97Hf0.03][(Mn0. | |
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) | Trig. 3 : R3 |
UM2006-28-SiO:CaHMnNaZr | Na33Ca12Zr6Mn3(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 | |
Unnamed (Eudialyte 3248) | Na29Ca12Zr6[Si48O132(O,OH)12]{[Na]4[Si]2}{[Mn]3[Mn,Nb,Ti]2}(OH,H2O,Cl)10 | Trig. 3m (3 2/m) : R3m |
Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride) | Na37Ca10Mn2FeZr6Si50(Ti,Nb)2O144(OH)5Cl3 · H2O | Trig. 3m : R3m |
Unnamed (M4-vacant Sodium Calcium Manganese Zirconium Iron Silicon Hydroxyl Hydrated Eudialyte Group Species) | Na13(Ca3Mn3)Zr3(Fe, Mn)3(◻)(Si)[Si3O9]2[Si9O27]2(O,OH,Cl)3 · 2H2O | |
Voronkovite | Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl · H2O | Trig. 3 : R3 |
Zirsilite-(Ce) | Na11-12(Ce,Na)3Ca6Mn3Zr3Nb(Si19O55)(Si3O9)2(CO3)(OH)3 · H2O | Trig. 3m : R3m |
Common Associates
Associated Minerals Based on Photo Data:
175 photos of Eudialyte associated with Aegirine | NaFe3+Si2O6 |
109 photos of Eudialyte associated with Agrellite | NaCa2Si4O10F |
103 photos of Eudialyte associated with Albite | Na(AlSi3O8) |
87 photos of Eudialyte associated with Vlasovite | Na2ZrSi4O11 |
77 photos of Eudialyte associated with Nepheline | Na3K(Al4Si4O16) |
69 photos of Eudialyte associated with Gittinsite | CaZrSi2O7 |
40 photos of Eudialyte associated with Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
33 photos of Eudialyte associated with Microcline | K(AlSi3O8) |
26 photos of Eudialyte associated with Rinkite-(Ce) | (Ca3Ce)Na(NaCa)Ti(Si2O7)2(OF)F2 |
23 photos of Eudialyte associated with Calcite | CaCO3 |
Related Minerals - Strunz-mindat Grouping
9.CO. | Odikhinchaite | Na9Sr3[(H2O)2Na]Ca6Mn3Zr3NbSi (Si24O72)O(OH)3(CO3) · H2O |
9.CO.10 | Alluaivite | Na19(Ca,Mn)6(Ti,Nb)3Si26O74Cl · 2H2O |
9.CO.10 | Ferrokentbrooksite | Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3Cl2 |
9.CO.10 | Kentbrooksite | (Na,REE)15(Ca,REE)6(Mn2+,Fe2+)3Zr3Nb[Si25O74]F2 · 2H2O |
9.CO.10 | Khomyakovite | Na12Sr3Ca6Fe3Zr3W[Si25O73](O,OH,H2O)3(OH,Cl)2 |
9.CO.10 | Manganokhomyakovite | Na12Sr3Ca6Mn3Zr3W[Si25O73](O,OH,H2O)3(OH,Cl)2 |
9.CO.10 | Oneillite | Na15Ca3Mn3Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 |
9.CO.10 | Raslakite | Na15Ca3Fe2+3(Na,Zr)3Zr3(Si,Nb)[(Si3O9)2(Si9O27)2SiO](OH,H2O)3(Cl,OH) |
9.CO.10 | Feklichevite | Na11Ca9(Fe3+,Fe2+)2Zr3Nb[Si25O73](OH,H2O,Cl,O)5 |
9.CO.10 | Carbokentbrooksite | (Na3Na3Na3Na3Na3)Ca6(VMn2+3)Zr3[Si3O9]2[Si9O27SiO][Si9O27Nb(OH)3](CO3)(H2O) |
9.CO.10 | Zirsilite-(Ce) | Na11-12(Ce,Na)3Ca6Mn3Zr3Nb(Si19O55)(Si3O9)2(CO3)(OH)3 · H2O |
9.CO.10 | Ikranite | (Na,H3O)15(Ca,Mn2+)6Fe3+2Zr3[H0-3Si3O9)2(Si9O27)2SiO]Cl · 2-3H2O |
9.CO.10 | Taseqite | Na12Sr3Ca6Fe3Zr3Nb[(Si3O9)2(Si9O27)2SiO]Cl2(O,OH,H2O)3 |
9.CO.10 | Rastsvetaevite | Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 |
9.CO.10 | Golyshevite | Na10Ca3Ca6Zr3Fe2SiNb(Si3O9)2(Si9O27)2CO3(OH)3 · H2O |
9.CO.10 | Labyrinthite | (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 |
9.CO.10 | Johnsenite-(Ce) | Na12Ce3Ca6Mn3Zr3WSi25O73(CO3)(OH)2 |
9.CO.10 | Mogovidite | Na9(Ca,Na)12Fe2Zr3Si25O72(CO3) (OH)4 |
9.CO.10 | Georgbarsanovite | Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3NbSi25O76Cl2 · H2O |
9.CO.10 | Aqualite | (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl |
9.CO.10 | Dualite | Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3Mn[Si51O144](OH,H2O,Cl)9 |
9.CO.10 | Andrianovite | Na12(K,Sr,Ce)3Ca6Mn3Zr3Nb(Si25O73)(O,H2O,OH)5 |
9.CO.10 | Voronkovite | Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl · H2O |
9.CO.10 | UM1999-36-SiO:CaCeHMnNaNbSrZr | Na17(Ca,Ce,Sr)2Mn3(Zr,Nb)4Si25O73(O,OH,F,Cl)5 |
9.CO.10 | UM2000-66-SiO:CaClFeHMnNaNbSrZr | Na12(Ca,Mn)6(Sr,Na,K)3(Fe,Mn)3(Zr,Nb)4Si25O66(OH,Cl)11 |
9.CO.10 | Manganoeudialyte | Na14Ca6Mn3Zr3[Si26O72(OH)2](H2O,Cl,O,OH)6 |
9.CO.10 | 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) |
9.CO.10 | UM1990-79-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) |
9.CO.10 | UM1971-22-SiO:CaClFeHMgMnNaNbZr | Na12Ca5(Ce,La,Y,Ca)Zr3(Zr,Nb)(Fe,Mn)3[Si9O24-26(OH)1-3]2[Si3O9]2Cl |
9.CO.10 | UM1998-21-SiO:CaCeClHMnNaZr | Na16Ca6(Mn,Ce)3Zr3(Si3O9)2(Si9O27)2(OH,Cl)4 · nH2O |
9.CO.10 | Fengchengite | Na12◻3(Ca,Sr)6Fe3+3 Zr3Si(Si25O73)(H2O,OH)3(OH,Cl)2 |
9.CO.10 | Davinciite | Na12K3Ca6Fe2+3Zr3(Si26O73OH)Cl2 |
9.CO.10 | Ilyukhinite | (H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2 · 3H2O |
9.CO.10 | UM2004-51-SiO:CaClFFeHNaNbTi | Na16Ca6(Fe,Mn)3Zr3(Ti,Nb)Si26O72FCl0.5 · nH2O |
9.CO.10 | 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 |
9.CO.10 | 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 |
9.CO.10 | UM2006-17-SiO:CaClFFeHMnNaZr | Na15(Ca3Mn3)Zr3(Fe,Zr)3SiSi(Si3O9)2(Si9O27)2O2(OH,F,Cl)3 · 2H2O |
9.CO.10 | 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) |
9.CO.10 | UM2006-28-SiO:CaHMnNaZr | Na33Ca12Zr6Mn3(Mn,Nb,Ti)2Si50O132(O,OH)12(OH,H2O,Cl)10 |
9.CO.10 | Unnamed (Eudialyte 3248) | Na29Ca12Zr6[Si48O132(O,OH)12]{[Na]4[Si]2}{[Mn]3[Mn,Nb,Ti]2}(OH,H2O,Cl)10 |
9.CO.10 | Hydrorastsvetaevite | (Na11(H3O)11K6(H2O)1.5Sr)Ca12Fe3Na2MnZr6Si52O144(OH)4.5Cl3.5 |
9.CO.10 | Unnamed (Hydrated Hydrous Na-Ca-Mn-Fe-Zr-Ti Silicate Chloride) | Na37Ca10Mn2FeZr6Si50(Ti,Nb)2O144(OH)5Cl3 · H2O |
9.CO.10 | UM2010-06-SiO:CaFeHMnNaNbREETiZr | [Na,(H3O)]15(Ca3Mn3)Na3Zr3(Si,Ti)[Si25O72OH](OH)2 · 2H2O |
9.CO.10 | Siudaite | Na8(Mn2+2Na)Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,◻,Ti)O74(OH)2Cl · 5H2O |
9.CO.10 | Sergevanite | Na15(Ca3Mn3)(Na2Fe)Zr3Si26O72(OH)3 · H2O |
9.CO.10 | Selsurtite | (H3O)12Na3(Ca3Mn3)(Na2Fe)Zr3◻{Si(Si3O9)2(Si9O27)Si9O24(OH)3}(OH)Cl(H2O) |
9.CO.10 | Amableite-(Ce) | Na15[(Ce1.5Na1.5)Mn3]Mn2Zr3◻Si[Si24O69(OH)3](OH)2 · H2O |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Eudialyte in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Eudialyte
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References for Eudialyte
Reference List:
Johnsen, O., Petersen, O. V., Gault, R. A. (1997) Optical data on minerals of the eudialyte group: Discussion of the eucolite-mesodialyte-eudialyte terminology. Neues Jahrbuch für Mineralogie - Monatshefte, 1997 (8) 371-383 doi:10.1127/njmm/1997/1997/371
Johnsen, Ole, Grice, Joel D., Gault, Robert A. (2001) The eudialyte group: a review. Geology of Greenland Survey Bulletin, 190 (190) 65-72 doi:10.34194/ggub.v190.5174
Localities for Eudialyte
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
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Ilímaussaq complex, Kujalleq, Greenland