Lemmleinite-K (original) (raw)
A valid IMA mineral species
About Lemmleinite-KHide
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Formula:
K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O
Crystal System:
Orthorhombic
Name:
Originally named lemmleinite (without suffix) in honor of Georgy Glebovich Lemmlein (Георгий Глебович Леммлейн) (1901-1962), Russian mineralogist and crystallographer. The suffix was added in 2002 to fit the recommended nomenclature for labuntsovite-group minerals.
This page provides mineralogical data about Lemmleinite-K.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:7048:1
78040f14-d573-4e94-b848-a554956294bb
IMA Classification of Lemmleinite-KHide
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IMA status notes:
Renamed by the IMA
IMA Formula:
Na4K8Ti8(Si4O12)4(OH,O)8 · 8H2O
Approval history:
Renamed 2000 (IMA00-A).
Type description reference:
Classification of Lemmleinite-KHide
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9.CE.30d
9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Lem-K | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Lemmleinite-KHide
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Transparency:
Transparent, Translucent
Density:
2.80(5) g/cm3 (Measured) 2.86 g/cm3 (Calculated)
Optical Data of Lemmleinite-KHide
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RI values:
_n_α = 1.667 _n_β = 1.677 _n_γ = 1.802
δ = 0.135
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Dispersion:
r > v or r < v
Chemistry of Lemmleinite-KHide
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Mindat Formula:
K2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2O
Crystallography of Lemmleinite-KHide
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Crystal System:
Orthorhombic
Morphology:
pseudo-orthorhombic, spindle-like crystals
Twinning:
Polysynthetic on (001).
Comment:
: Monoclinic. Point Group: 2/m.; Space Group: C2/m.
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0012501 | Lemmleinite-K | Rastsvetaeva R K, Arakcheeva A V, Khomyakov A P (1996) Crystal structure and microtwinning of a new monoclinic analog of nenadkevichite Doklady Chemistry 351 294-297 | 1996 | Khibiny alkaline massif, Kola Peninsula, Russia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.186 Å | (100) |
| 6.94 Å | (61) |
| 6.39 Å | (43) |
| 4.91 Å | (31) |
| 2.600 Å | (28) |
| 2.586 Å | (28) |
| 2.489 Å | (24) |
Comments:
6.39 (43, broad)
Geological EnvironmentHide
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Type Occurrence of Lemmleinite-KHide
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Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Moscow, Russia.
Geological Setting of Type Material:
ultra-agpaitic pegmatites in apatite-nepheline in an alkaline massif.
Associated Minerals at Type Locality:
Reference:
Khomyakov, A.P., Nechelyustov, G.N., Rastsvetaeva, R.K., Dorokhova, G.I. (1999) Lemmleinite, NaK2(Ti,Nb)2Si4O12(O,OH)2·2H2O - a new mineral of the labuntsovite-nenadkevichite family. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 128(5): 54-62.
Synonyms of Lemmleinite-KHide
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Other Language Names for Lemmleinite-KHide
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Relationship of Lemmleinite-K to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 9.CE. | Dutkevichite-(Ce) | NaZnBa2Ce2Ti2Si8O26F · H2O | Orth. m _m_2 : A m _a_2 |
|---|---|---|---|
| 9.CE. | Niobobaotite | Ba4(Ti2.5Fe2+1.5)Nb4Si4O28Cl | Tet. 4/m : _I_41/a |
| 9.CE. | Steiningerite | Ba2Zr2(Si4O12)O2 | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _P_4/m b m |
| 9.CE.05 | Papagoite | CaCu[H3AlSi2O9] | Mon. 2/m : _B_2/m |
| 9.CE.10 | Verplanckite | Ba4Mn2+2Si4O12(OH,H2O)3Cl3 | Hex. 6/m m m _(_6/_m_2/_m_2/m ) : _P_6/m m m |
| 9.CE.15 | Baotite | Ba4(Ti,Nb,W)8O16(SiO3)4Cl | Tet. 4/m : _I_41/a |
| 9.CE.20 | Nagashimalite | Ba4(V,Ti)4B2Si8O27(O,OH)2Cl | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 9.CE.20 | Taramellite | Ba4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. m m m _(_2/_m_2/_m_2/m ) : P m m n |
| 9.CE.20 | Titantaramellite | Ba4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2Clx | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.CE.25 | Bario-orthojoaquinite | (Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2O | Orth. |
| 9.CE.25 | Byelorussite-(Ce) | NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O | Orth. m _m_2 : A m _a_2 |
| 9.CE.25 | Joaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2O | Mon. 2 : _B_2 |
| 9.CE.25 | Orthojoaquinite-(Ce) | NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O | Orth. |
| 9.CE.25 | Strontiojoaquinite | Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2O | Mon. |
| 9.CE.25 | Strontio-orthojoaquinite | (Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2O | Orth. |
| 9.CE.25 | Orthojoaquinite-(La) | NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2O | Orth. m m m _(_2/_m_2/_m_2/m ) |
| 9.CE.30a | Unnamed (Ca-Na-ordered analogue of Korobitsynite) | (Ca,Na)2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O | Orth. 222 : _P_21212 |
| 9.CE.30e | Labuntsovite-Mn | Na4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2O | Mon. 2/m : _B_2/m |
| 9.CE.30a | Nenadkevichite | (Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m |
| 9.CE.30a | Korobitsynite | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b a m |
| 9.CE.30c | Kuzmenkoite-Mn | K2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2O | Mon. 2/m : _B_2/m |
| 9.CE.30b | Vuoriyarvite-K | K2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2O | Mon. m : B m |
| 9.CE.30b | Tsepinite-Na | Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. m : B m |
| 9.CE.30c | Karupmøllerite-Ca | (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O | Mon. 2/m : _B_2/m |
| 9.CE.30e | Labuntsovite-Mg | Na4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. 2/m : _B_2/m |
| 9.CE.30e | Labuntsovite-Fe | Na4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2O | Mon. 2/m : _B_2/m |
| 9.CE.30d | Lemmleinite-Ba | Na2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. 2/m : _B_2/m |
| 9.CE.30c | Gjerdingenite-Fe | K2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : _B_2/m |
| 9.CE.30h | Neskevaaraite-Fe | K3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2O | Mon. m : B m |
| 9.CE.30b | Tsepinite-K | K2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. m : B m |
| 9.CE.30b | Paratsepinite-Ba | Ba4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O | Mon. 2/m : _B_2/m |
| 9.CE.30b | Tsepinite-Ca | Ca(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. 2/m : _B_2/m |
| 9.CE.30h | Alsakharovite-Zn | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : B m |
| 9.CE.30c | Gjerdingenite-Mn | K2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : _B_2/m |
| 9.CE.30c | Lepkhenelmite-Zn | (Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O | Mon. m : B m |
| 9.CE.30b | Tsepinite-Sr | Sr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O | Mon. m : B m |
| 9.CE.30b | Paratsepinite-Na | (Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8 · nH2O n ~ 8 | Mon. 2/m : _B_2/m |
| 9.CE.30f | Paralabuntsovite-Mg | Na8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2O | Mon. 2/m : _B_2/m |
| 9.CE.30c | Gjerdingenite-Ca | K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : _B_2/m |
| 9.CE.30c | Gjerdingenite-Na | K2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2O | Mon. 2/m : _B_2/m |
| 9.CE.30h | Gutkovaite-Mn | K2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2O | Mon. m : B m |
| 9.CE.30c | Kuzmenkoite-Zn | K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4 · 6-8H2O | Mon. m : B m |
| 9.CE.30g | Organovaite-Mn | K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2O | Mon. 2/m : _B_2/m |
| 9.CE.30g | Organovaite-Zn | K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O | Mon. 2/m : _B_2/m |
| 9.CE.30g | Parakuzmenkoite-Fe | (K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O | Mon. 2/m : _B_2/m |
| 9.CE.30c | Burovaite-Ca | (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2O | Mon. 2/m : _B_2/m |
| 9.CE.45 | Komarovite | (Ca,Mn)(Nb,Ti)2[Si2O7](O,F)3 · 3.5H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : C m m m |
| 9.CE.45 | Natrokomarovite | (Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2O | Orth. |
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Lemmleinite-KHide
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References for Lemmleinite-KHide
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Reference List:
Localities for Lemmleinite-KHide
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Locality ListHide
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