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Luanshiweiite

A valid IMA mineral species
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03596600015413306032086.jpg
Luan Shiwei
Formula:
KLiAl1.5(Si3.5Al0.5)O10(OH)2
Hardness:
3
Specific Gravity:
2.851
Crystal System:
Monoclinic
Member of:
Mica Group
Name:
Named in honor of Luan Shiwei (August 1928, Zizhou, Shaanxi Province, China - 13 September 2012, Chengdu, China), professor of geology in the Chengdu College of Science and Technology. A known Chinese pegmatitic petrologist.
The hydroxyl analogue of fluorluanshiweiite.
Luanshiweiite is also the potassium analog at the interstratified cations and OH-dominant analog at the attached anion site of voloshinite.
Compare lepidolite.

Polytype: 2M1.


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Unique IdentifiersHide

Mindat ID:
42731
Long-form identifier:
mindat:1:1:42731:9
GUID
(UUID V4):
e2b26e9e-926a-4f15-b7e5-a89cfeed3064

IMA Classification of LuanshiweiiteHide

Classification of LuanshiweiiteHide

Strunz-mindat (2024):
9.EC.10

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
LswIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LuanshiweiiteHide

Hardness:
3 on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
{001}
Density:
2.851 g/cm3 (Measured)    2.868 g/cm3 (Calculated)

Optical Data of LuanshiweiiteHide

Type:
Biaxial (-)

Chemistry of LuanshiweiiteHide

Mindat Formula:
KLiAl1.5(Si3.5Al0.5)O10(OH)2
Elements listed:
Al, H, K, Li, O, Si - search for minerals with similar chemistry

Crystallography of LuanshiweiiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 5.1861(7) Å, b = 8.9857(13) Å, c = 19.970(3) Å
β = 95.42(3)°
Ratio:
a:b:c = 0.577 : 1 : 2.222
Unit Cell V:
0.9265 ų
Z:
4
Morphology:
Scaly aggregate, grains

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.891 Å(35)
4.451 Å(31)
3.468 Å(42)
3.314 Å(36)
2.973 Å(34)
2.565 Å(100)
2.378 Å(31)
1.986 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites

Type Occurrence of LuanshiweiiteHide

Type Locality:
ⓘ Pegmatite vein no. 309, Guanpo pegmatite field, Guanpo, Lushi County, Sanmenxia, Henan, China
General Appearance of Type Material:
Scaly aggregates or in monomineralic veinlents. Most individual grains of luanshiweiite are less than 1 mm2.
Place of Conservation of Type Material:
Geological Museum of China, Beijing, China, registration number M11797
Geological Setting of Type Material:
REE granitic pegmatite dike
Associated Minerals at Type Locality:
TrilithioniteTourmalineTantalite-(Mn)TantaliteSpodumene
QuartzPolylithionitePolluciteOxynatromicroliteMontebrasite
FluorcalciomicroliteBismutotantaliteAlbite
Reference:
Fan G., Li G., Shen G., Xu J., Dai J. (2013) Luanshiweiite: A New Member of Lepidolite Series. Acta Mineralogica Sinica: 33: 713-721.

Synonyms of LuanshiweiiteHide

Other Language Names for LuanshiweiiteHide

Simplified Chinese:栾锂云母

Relationship of Luanshiweiite to other SpeciesHide

Member of:
Mica Group
Other Members of this group:
Brittle MicaSynonymous with the German term Sprödglimmer.
Dioctahedral micaA major subgroup of the micas, where there are two octahedrally coordinated D cations per formula unit.
FluorluanshiweiiteKLiAl1.5(Si3.5Al0.5)O10F2Mon. 2/m : B2/m
Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4Mon. 2/m : B2/m
Trioctahedral micaA major subgroup of the micas, where there are three octahedrally coordinated D cations per formula unit.
UM1988-22-SiO:AlCaFFeHKLiMgKLiMgAl2Si3O10F2Mon.
UM2003-27-SiO:AlCsFFeHLiCsFe2+3(Si3Al)O10(F,OH)2
UM2003-28-SiO:AlCsFFeHMgCs(Mg,Fe)3(Si3Al)O10(F,OH)2
UM2003-30-SiO:AlFLiRbRbLi2AlSi4O10(F,OH)2
UM2003-31-SiO:AlHFeRbRbFe2+3(Si3Al)O10(OH,F)2
VoloshiniteRb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2Mon. 2/m : B2/b
YangzhumingiteKMg2.5(Si4O10)F2Mon. 2/m : B2/m

Related Minerals - Strunz-mindat GroupingHide

9.EC.BalestraiteKLi2V5+Si4O12Mon. 2 : B2
9.EC.MeifuiteKFe6(Si7Al)O19(OH)4Cl2Tric. 1 : P1
9.EC.05MinnesotaiteFe2+3Si4O10(OH)2Tric. 1 : P1
9.EC.05TalcMg3Si4O10(OH)2Tric. 1 : P1
9.EC.05WillemseiteNi3Si4O10(OH)2Mon.
9.EC.9.EC.VoloshiniteRb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2Mon. 2/m : B2/b
9.EC.10FerripyrophylliteFe3+Si2O5(OH)Mon. 2/m
9.EC.10PyrophylliteAl2Si4O10(OH)2Tric. 1
9.EC.10FluorluanshiweiiteKLiAl1.5(Si3.5Al0.5)O10F2Mon. 2/m : B2/m
9.EC.10ManganiceladoniteK(MgMn3+◻)(Si4O10)(OH)2Mon.
9.EC.10GarmiteCsLiMg2(Si4O10)F2Mon.
9.EC.10GorbunoviteCsLi2(Ti,Fe)Si4O10(F,OH,O)2Mon.
9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2Mon. 2/m
9.EC.15CeladoniteK(MgFe3+◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2Mon.
9.EC.15Montdorite(K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4Mon. 2/m : B2/m
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15ParagoniteNaAl2(AlSi3O10)(OH)2Mon.
9.EC.15RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15Tobelite(NH4,K)Al2(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.15AluminoceladoniteK(MgAl◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15FerroaluminoceladoniteK(Fe2+Al◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15FerroceladoniteK(Fe2+Fe3+◻)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15ChromceladoniteK(MgCr◻)(Si4O10)(OH)2Mon. 2 : B2
9.EC.15TainioliteKLiMg2(Si4O10)F2Mon. 2/m : B2/m
9.EC.15Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15UM1988-22-SiO:AlCaFFeHKLiMgKLiMgAl2Si3O10F2Mon.
9.EC.15KreiteriteCsLi2Fe3+(Si4O10)F2Mon.
9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric. 1 : P1
9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon. 2 : B2
9.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
9.EC.20PhlogopiteKMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon. 2/m : B2/b
9.EC.20SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
9.EC.20TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2Mon. 2/m : B2/m
9.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m : B2/m
9.EC.20Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m : B2/m
9.EC.20EastoniteKMg2Al(Al2Si2O10)(OH)2Mon.
9.EC.20TetraferrianniteKFe2+3(Si3Fe3+)O10(OH)2Mon. 2/m : B2/m
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20FluoranniteKFe2+3(Si3Al)O10F2Mon. 2/m : B2/m
9.EC.20ShirokshiniteK(NaMg2)(Si4O10)F2Mon. 2/m : B2/m
9.EC.20ShirozuliteKMn2+3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20SokolovaiteCsLi2Al(Si4O10)F2Mon.
9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20FluorophlogopiteKMg3(Si3Al)O10F2Mon. 2/m : B2/m
9.EC.20UM2004-49-SiO:AlCsFHKLi(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20YangzhumingiteKMg2.5(Si4O10)F2Mon. 2/m : B2/m
9.EC.20OrloviteKLi2Ti(Si4O10)OFMon. 2 : B2
9.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m : B2/m
9.EC.20Chloroferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2
9.EC.22PimeliteNi3Si4O10(OH)2 · 4H2OHex.
9.EC.30Chlorophaeite(Ca,Mg,Fe)2Fe2Si4O13 · 10H2O
9.EC.30MargariteCaAl2(Al2Si2O10)(OH)2Mon. 2/m : B2/b
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m : B2/b
9.EC.35BityiteCaLiAl2(AlBeSi2O10)(OH)2Mon. 2/m : B2/b
9.EC.35ClintoniteCaAlMg2(SiAl3O10)(OH)2Mon. 2/m : B2/m
9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2Mon. 2/m : B2/m
9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2Mon. 2/m : B2/m
9.EC.35Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2Mon. 2/m : B2/m
9.EC.35FluorokinoshitaliteBaMg3(Al2Si2O10)F2Mon. 2/m : B2/m
9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)Orth.
9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m : B2/m
9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.
9.EC.45HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2Mon. 2/m : B2/m
9.EC.45SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2OMon.
9.EC.45SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)
9.EC.45Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2Mon.
9.EC.45SwineforditeLi(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2OMon. 2/m : B2/m
9.EC.45ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2OMon.
9.EC.45HanjiangiteBa2CaV3+Al(H2AlSi3O12)(CO3)2FMon. 2 : B2
9.EC.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
9.EC.52Tarasovitenear NaKAl11Si13O40(OH)9 · 3H2O
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric. 1
9.EC.55Chamosite(Fe2+)5Al(Si,Al)4O10(OH,O)8Mon. 2/m : B2/m
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Cookeite(LiAl4◻)[AlSi3O10](OH)8Mon. 2/m
9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
9.EC.55Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8Orth.
9.EC.55Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon. 2/m : B2/m
9.EC.55Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55PennantiteMn2+5Al(AlSi3O10)(OH)8Tric.
9.EC.55SudoiteMg2Al3(Si3Al)O10)(OH)8Mon. 2/m : B2/m
9.EC.55DonbassiteAl4.33(Si3Al)O10(OH)8Mon. 2 : B2
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
9.EC.55Borocookeite(LiAl4◻)[BSi3O10](OH)8Mon. m : Bb
9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2OMon.
9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.
9.EC.60DozyiteMg7Al2(Al2Si4O15)(OH)12Mon.
9.EC.60HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2OMon. 2/m : B2/m
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)Mon.
9.EC.60KulkeiteMg8Al(AlSi7O20)(OH)10Mon.
9.EC.60LunijianlaiteLi0.7Al6.2(AlSi7O20)(OH,O)10Mon.
9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.
9.EC.60Saliotite(Li,Na)Al3(AlSi3O10)(OH)5Mon. 2/m : B2/m
9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2OMon. 2 : B2
9.EC.60BrinrobertsiteNa0.3Al4(Si4O10)2(OH)4 · 3.5 H2OMon.
9.EC.65Macaulayite(Fe,Al)24Si4O43(OH)2Mon.
9.EC.70BurckhardtitePb2(Fe3+Te6+)[AlSi3O8]O6Trig. 3m (3 2/m) : P3 1m
9.EC.75Ferrisurite(Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2OMon.
9.EC.75Surite(Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2Mon. 2 : P21
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.
9.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.

Other InformationHide

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 LuanshiweiiteHide

References for LuanshiweiiteHide

Localities for LuanshiweiiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- 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.
China (TL)
 
  • Henan
    • Sanmenxia
      • Lushi County
        • Guanpo
          • Guanpo pegmatite field
Williams et al. (2012) +2 other references
Qu et al. (2023)
Qu et al. (2023) +1 other reference
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