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| Minerals of the eudialyte group from the Sagasen larvikite quarry, Porsgrunn, Norway Alf Olav Larsen...Arne Asheim and Robert A. Gault Introduction Eudialyte, aNa-rich zirconosilicate with varying amounts...their associated pegmatites. In recent years, eudialyte (sensa lata) has been the subject of extensive...of the mineral group resulted in the definition of several new species by the Eudialyte Nomenclature Subcommittee...Mineralogical Association (Johnsen et al. 2003b). Brown eudialyte (s. I.) is a common constituent of the agpaitic |
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| Ilyukhinite (H3O,Na)14Ca6Mn2Zr3Si26O72(OH)2·3H2O Point Group: 3m. Crystal Data: Hexagonal. As grains to 1 mm...O = orange, E = grayish pink. Cell Data: Space Group: R3m. a = 14.1695(6) c = 31.026(1) Z=3 X-ray...31Si25.41S0.42Cl0.23O86.82. Mineral Group: Eudialyte group. Occurrence: In hydrothermally-altered peralkaline...Museum, Natural History Museum, University of Oslo, Norway (GM 43578). References: (1) Chukanov, N.V., R.K...Na)14Ca6Mn2Zr3Si26O72(OH)2·3H2O - a new mineral of eudialyte group. Zap. Rossiyskogo Mineral. Obsch., 145(2), |
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| OH,H2O)3(F,Cl)2 Crystal Data: Hexagonal. Point Group: 3m. Physical Properties: Cleavage: None. D(meas...628(2) ε = 1.623(2) Nonpleochroic. Cell Data: Space Group: R3m. a = 14.1686(2) c = 30.0847(4) Z=3 X-Ray...endmember of a series in the eudialyte group. Mineral Group: Eudialyte group. Occurrence: In alkaline pegmatitic...Kupletskite, låvenite, catapleiite, hjortdahlite, eudialyte, alkali feldspar, nepheline, aegirine, albite...Mn-REE-Nb-F end-member in a series within the eudialyte group: Description and crystal structure. Eur. J |
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| Data: Hexagonal. Point Group: 3m. gradational or sharp contacts with eudialyte. As 1-2 cm thick, branching...green) ε = 1.631(2) (pale yellow) Cell Data: Space Group: R3m. a = 14.274(2) c = 30.02(1) Z=3 X-ray Powder...61·0.88Н2О . Mineral Group: Eudialyte subgroup of the eudialyte group. Occurrence: A late stage reaction...associated with an alkaline massif. Association: Eudialyte. Distribution: In boulders, upper reaches of the...REE)3Ca6Fe32+Zr3NbSi25O76Cl2·H2O, a mineral species of the eudialyte group: revalidation of barsanovite and the new name |
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| 5H2O Siudaite Crystal Data: Hexagonal. Point Group: 3m. Physical Properties: Cleavage: None. D(meas...(-). ω = 1.635(1) ε = 1.626(1) Cell Data: Space Group: R3m. a = 14.1885(26) c = 29.831(7) Z=3 X-ray...00O70Cl0.47(OH)2 Cl0.47·1.82H2O. Mineral Group: Eudialyte group. Occurrence: A product of the hydrothermal alteration...alteration of a primary eudialyte-group mineral presumably related to georgbarsanovite, in a peralkaline...Na8(Mn2+2Na)Ca6Fe3+3Zr3NbSi25O74 (OH)2Cl·5H2O: a new eudialyte-group mineral from the Khibiny alkaline massif, Kola |
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| (CO3)(OH,Cl)2 Crystal Data: Hexagonal. Point Group: 3m. As deeply etched, skeletal crystals, to 4...(-). ω = 1.648(1) ε = 1.637(1) Cell Data: Space Group: R3m. a = 14.2675(7) c = 30.0369(14) Z=3 X-ray...97O73(CO3) (OH1.25Cl0.75)Σ=2.00. Mineral Group: Eudialyte group. Occurrence: In a cavity near the margin of a...fluorapophyllite, zirsilite-(Ce), a burbankite group mineral, dawsonite, rhodochrosite, epididymite,...molybdenite, pyrite, pyrrhotite, quartz, an amphibole-group mineral, sphalerite, stillwellite-(Ce), titanite |
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| 144(OH, O)6Cl2 Crystal Data: Hexagonal. Point Group: 3m. As irregular gains to 2 mm in aggregates to...(+). ω = 1.598(1) ε = 1.600(1) Cell Data: Space Group: R3m. a = 14.249(1) c = 60.969(7) Z=3 X-ray Powder...14(ОН)1.86]Сl2.29 ∙1.71Н2О. Mineral Group: Eudialyte group. Occurrence: In alkaline pegmatite in zоnes of...a modular eudialyte-like structure and crystal-chemical systematics of the eudialyte group. Zap. Ross |
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| Sr)5Ca6Zr3Si26O66(ОН)9Cl Aqualite Crystal Data: Hexagonal. Point Group: 3. Crystals, equant, to 3 cm. Physical Properties:...= colorless to pink; O = pink. Cell Data: Space Group: R3. a = 14.078(3) c = 31.24(1) Z=3 X-ray Powder...54]Σ=72.0[(OH)2.77Cl1.23]Σ=4.0. Mineral Group: Eudialyte group. Occurrence: In a hydrothermally altered perakaline...(H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(ОН)9Cl, а new eudialyte-group mineral from the Inagli alkaline massif, Sakha-Yakutsk...Russia, and the problem of oxonium in hydrated eudialyte. Zap. Ross. Mineral. Obshch., 136(2), 39–55 (in |
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| l2 Davinciite Crystal Data: Hexagonal. Point Group: 3m. Physical Properties: Cleavage: None. Hardness...(+). ω = 1.603(2) ε = 1.605(2) Cell Data: Space Group: R3m. a = 14.2956(2) c = 30.0228(5) Luster: Vitreous...62(H2O)0.38]Σ=2.00·0.48H2O. Mineral Group: Eudialyte group. Occurrence: As relict inclusions in rastsvetaevite...H)Cl2, a new K, Na-ordered mineral of the eudialyte group from the Khibiny alkaline massif, Kola Peninsula...structure of high-silica K,Na-ordered acentric eudialyte analogue. Doklady Akademii Nauk, 424(1), 53-56 |
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| Manganoeudialyte Crystal Data: Hexagonal. Point Group: 3m. As cm-wide massive patches in igneous rock...(+). ω = 1.603(2) ε = 1.608(2) Cell Data: Space Group: R3m. a = 14.2418(1) c = 30.1143(3) Streak: White...Na14Ca6Mn3Zr3[Si26O72(OH)2]Cl2·4H2O. Mineral Group: Eudialyte group. Occurrence: An interstitial phase in nepheline...nepheline syenite (khibinite). Association: Eudialyte, K-feldspar, nepheline, aegirine, analcime, sodalite...Minas Gerais, Brazil. Name: As a member of the eudialyte group with dominant manganese in the M2 structural |
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| Nb)(Si25O73)(OH,H2O)3(Cl,OH) Crystal Data: Hexagonal. Point Group: 3. As equant grains to 3 cm. Physical Properties:...(+). ω = 1.608(1) ε = 1.611(1) Cell Data: Space Group: R3. a = 14.229(7) c = 30.019(15) Luster: Vitreous...Si25.40Cl1.18H4.66O76.465. Mineral Group: Eudialyte group. Occurrence: In an agpaitic pegmatite in an alkaline...Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) - new eudialyte-group minerals from the Lovozero massif, Kola Peninsula |
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| Crystal Data: Hexagonal. and in aggregates. Point Group: 3m. As platy crystals flattened on {0001}, to...(-). ε = 1.6378(5) ω = 1.6494(3) Cell Data: Space Group: R3m. a = 14.286(6) c = 29.99(2) Streak: White...74)Σ=3.14(Cl1.91OH0.09)Σ=2.00. Mineral Group: Eudialyte group. Occurrence: In a cavity in a late-stage hydrothermal...Grice (2004) Taseqite, a new member of the eudialyte group from the Ilímaussaq alkaline complex, South |
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| H2O)3(Cl, OH)2 Crystal Data: Hexagonal. Point Group: 3m. As pseudo-octahedral crystals to 0.5 mm. ...pale yellow, O = yellow-orange. Cell Data: Space Group: R3m. a = 14.2959(8) c = 30.084(3) Z=3 X-ray...70 [(OH)1.36Cl0.64]Σ=2.00. Mineral Group: Eudialyte group. Occurrence: In miarolitic cavities in nepheline...manganokhomyakovite, two new members of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. Can |
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| Si)Si24O66(O,OH)6Cl•nH2O Crystal Data: Hexagonal. Point Group: 3m. As tabular crystals to 2 cm. Physical Properties:...Pleochroism: Weak, colorless to yellow. Cell Data: Space Group: R3m. a = 14.167(2) c = 30.081(2) Z=3 X-ray...06 Si24O72Cl0.74•2.64H2O. Mineral Group: Eudialyte group. Occurrence: In an agpaitic pegmatite in an alkaline...Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) - new eudialyte-group minerals from the Lovozero massif, Kola Peninsula |
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| (OH)3(CO3)∙H2O Crystal Data: Hexagonal. Point Group: 3m. Displays {101 1}, {101 2}, {011 0}, and {0001}...(-). ω = 1.648(2) ε = 1.637(2) Cell Data: Space Group: R3m. a = 14.29(1) c = 30.02(4) Luster: Vitreous...30]Σ=3.00(CO3)0.43∙1.44H2O. Mineral Group: Eudialyte group. Occurrence: In the quartz core of a zoned pegmatite...Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)∙H2O - two new eudialyte-group minerals from the Dara-i-Pioz alkaline massif |
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| O)5 Feklichevite Crystal Data: Hexagonal. Point Group: 3m. As euhedral, equant to thick-tabular crystals...(-). ω = 1.620(1) ε = 1.616(1) Cell Data: Space Group: R3m. a = 14.255(1) c = 30.170(2) Z=3 X-ray...[(OH)1.29Cl0.52F0.19]Σ=2.00. Mineral Group: Eudialyte group. Occurrence: In a pegmatoidal cancrinite syenite...Fe2+)2Zr3Nb[Si25O73] (OH,H2O,Cl,O)5, a new mineral of the eudialyte group from the Kovdor massif, Kola Peninsula. Zap |
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| H2O)3(Cl, OH)2 Crystal Data: Hexagonal. Point Group: 3m. As pseudo-octahedral crystals to 5 mm. Physical...E = yellow, O = orange-yellow. Cell Data: Space Group: R3m. a = 14.282(3) c = 30.12(1) Z=3 X-ray Powder...70 [(OH)1.19Cl0.81]Σ=2.00. Mineral Group: Eudialyte group. Occurrence: In miarolitic cavities in nepheline...manganokhomyakovite, two new members of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. Can |
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| (OH)3(CO3)∙H2O Crystal Data: Hexagonal. Point Group: 3m. Displays {101 1}, {101 2}, {011 0}, and {0001}...(-). ω = 1.645(2) ε = 1.637(2) Cell Data: Space Group: R3m. a = 14.237(2) c = 30.033(5) Luster: Vitreous...27]Σ=3.00 (CO3)0.58∙0.80H2O. Mineral Group: Eudialyte group. Occurrence: In the quartz core of a zoned pegmatite...Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)∙H2O - two new eudialyte-group minerals from the Dara-i-Pioz alkaline massif |
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| Crystal Data: Hexagonal. {110} are observed. Point Group: 3 2/m. 3Ca6(Fe 3+ , )3Zr3Si(Si25O73)(H2O)3(OH)2...Uniaxial (+). ω = 1.603 ε = 1.607 Cell Data: Space Group: R3 m. a = 14.2467(6) c = 30.033(2) Z=3 X-ray Powder...00[(OH)1.04Cl0.96]Ʃ=2.00. Mineral Group: Eudialyte group. Occurrence: In agpaitic nepheline syenite and...Na-poor but vacancy-dominante N(5) site in the eudialyte group. Acta Mineral. Sinica, 37(1/2), 140-151. (2) |
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| Sr)35Ca12Fe3Zr6TiSi51O144(O, OH, H2O)9Cl3 Point Group: 3. Crystal Data: Hexagonal. As rounded grains...(+). ω = 1.597(1) ε = 1.601(1) Cell Data: Space Group: R3. a = 14.239(1) c = 60.733(7) Hardness = 5-6...(OH)4.80Cl2.95F0.36· 3H2O. Mineral Group: Eudialyte group. Occurrence: A late-stage pegmatitic mineral...lamprophyllite, lomonosovite, villiaumite, lovozerite-group minerals. Distribution: Eveslogchorr Mountain, Khibiny..., OH, H2O)9Cl3, a new mineral with a modular eudialyte-like structure from Khibiny alkaline massif, Kola |
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| Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 Crystal Data: Hexagonal. Point Group: 3m. As irregularly shaped grains to 0.5 mm. Physical...(+). ω = 1.610(1) ɛ = 1.613(1) Cell Data: Space Group: R3m. a = 14.153(9) c = 60.72(5) Z=3 X-ray Powder...54 (H2O)1.34Cl0.98]Σ=8.86. Mineral Group: Eudialyte group. Occurrence: Formed during the final stages of...sodalite, cancrinite, aegirine, alkaline amphibole, eudialyte, lovozerite, lomonosovite, vuonnemite, lamprophyllite... a new zircono-titanosilicate with a modular eudialyte-like structure from Lovozero alkaline massif, |
Eudialyte group occurrence, Siktesøya, Porsgrunn, Telemark, Norway