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Garmite

A valid IMA mineral species
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CsLiMg2(Si4O10)F2
Colour:
Colorless, white in aggregates
Lustre:
Vitreous, Pearly
Hardness:
2½
Specific Gravity:
3.34
Crystal System:
Monoclinic
Member of:
Trioctahedral mica Group >Mica Group
Name:
Named for the Garm or Gharm District, the former name of the Rasht District, Tajikistan, that includes the type locality.
Type Locality:
ⓘDara-i-Pioz Massif, Districts of Republican Subordination, Tajikistan
The Cs analogue oftainiolite. Unique combination of elements (2024).


Unique Identifiers
Approval year:
2017
First published:
2022

Classification of Garmite

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

Mineral Symbols
Transparency:
Transparent
Colour:
Colorless, white in aggregates
Streak:
White
Hardness:
2½ onMohs scale
Hardness:
VHN20=86 - 111 kg/mm2 - Vickers
Tenacity:
Flexible
Cleavage:
Perfect
Mica-like cleavage on (001).
Density:
3.34(2) g/cm3 (Measured)    3.336 g/cm3 (Calculated)

Optical Data of Garmite
Surface Relief:
Moderate
Dispersion:
Weak, r > v.
Pleochroism:
Not Visible

Chemistry of Garmite

Crystallography of Garmite
General Appearance of Type Material:
Lamellae up to 0.2 mm across and up to 0.02 mm thick.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 4934/1
Associated Minerals at Type Locality:
AegirineDatoliteFluoritePectolitePolylithionite
Quartz

Synonyms of Garmite

Other Language Names for Garmite

Relationship of Garmite to other Species
Other Members of Trioctahedral mica:
AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m :B2/m
BalestraiteKLi2V5+Si4O12Mon. 2 :B2
BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric. 1 :P1
HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m :B2/m
KreiteriteCsLi2Fe3+(Si4O10)F2Mon.
LepidoliteA field name for the group of Li-rich micas in, or close to, the so-called Polylithionite-Trilithionite ...
MasutomiliteK(LiAlMn2+)[AlSi3O10]F2Mon. 2 :B2
NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m :B2/m
OrloviteKLi2Ti(Si4O10)OFMon. 2 :B2
PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon. 2/m :B2/b
ShirokshiniteK(NaMg2)(Si4O10)F2Mon. 2/m :B2/m
ShirozuliteKMn2+3(Si3Al)O10(OH)2Mon. 2/m :B2/m
SokolovaiteCsLi2Al(Si4O10)F2Mon.
Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m :B2/m
TainioliteKLiMg2(Si4O10)F2Mon. 2/m :B2/m
Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m :B2/m
ZinnwalditeMica Group.

Common AssociatesTric.1 :P19.EC.BalestraiteKLi2V5+Si4O12Mon. 2 :B29.EC.05TalcMg3Si4O10(OH)2Tric.1 :P19.EC.05MinnesotaiteFe2+3Si4O10(OH)2Tric.1 :P19.EC.05WillemseiteNi3Si4O10(OH)2Mon.9.EC.9.EC.VoloshiniteRb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2Mon. 2/m :B2/b9.EC.10FluorluanshiweiiteKLiAl1.5(Si3.5Al0.5)O10F2Mon. 2/m :B2/m9.EC.10GorbunoviteCsLi2(Ti,Fe)Si4O10(F,OH,O)2Mon.9.EC.10FerripyrophylliteFe3+Si2O5(OH)Mon. 2/m9.EC.10ManganiceladoniteK(MgMn3+◻)(Si4O10)(OH)2Mon.9.EC.10LuanshiweiiteKLiAl1.5(Si3.5Al0.5)O10(OH)2Mon. 2/m :B2/b9.EC.10PyrophylliteAl2Si4O10(OH)2Tric.19.EC.15ParagoniteNaAl2(AlSi3O10)(OH)2Mon.9.EC.15FerroaluminoceladoniteK(Fe2+Al◻)(Si4O10)(OH)2Mon. 2/m :B2/m9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2Mon. 2/m :B2/b9.EC.15FerroceladoniteK(Fe2+Fe3+◻)(Si4O10)(OH)2Mon. 2/m :B2/m9.EC.15Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2Mon. 2/m :B2/b9.EC.15KreiteriteCsLi2Fe3+(Si4O10)F2Mon.9.EC.15RoscoeliteKV3+2(AlSi3O10)(OH)2Mon. 2/m :B2/b9.EC.15AluminoceladoniteK(MgAl◻)(Si4O10)(OH)2Mon. 2/m :B2/m9.EC.15Tobelite(NH4)Al2(AlSi3O10)(OH)2Mon. 2/m :B2/m9.EC.15TainioliteKLiMg2(Si4O10)F2Mon. 2/m :B2/m9.EC.15CeladoniteK(MgFe3+◻)(Si4O10)(OH)2Mon. 2/m :B2/m9.EC.15ChromceladoniteK(MgCr◻)(Si4O10)(OH)2Mon. 2 :B29.EC.15MontdoriteKFe2+1.5Mn2+0.5Mg0.5Si4O10(F,OH)2Mon. 2/m :B2/m9.EC.15ChromphylliteKCr2(AlSi3O10)(OH)2Mon. 2/m :B2/b9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2Mon. 2/m9.EC.15UM1988-22-SiO:AlCaFFeHKLiMgKLiMgAl2Si3O10F2Mon.9.EC.15Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2Mon.9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m :B2/b9.EC.20MasutomiliteK(LiAlMn2+)[AlSi3O10]F2Mon. 2 :B29.EC.20OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m :B2/m9.EC.20Chloroferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)29.EC.20SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.9.EC.20SokolovaiteCsLi2Al(Si4O10)F2Mon.9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m :B2/m9.EC.20TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2Mon. 2/m :B2/m9.EC.20FluoranniteKFe2+3(Si3Al)O10F2Mon. 2/m :B2/m9.EC.20AspidoliteNaMg3(AlSi3O10)(OH)2Mon. 2/m :B2/m9.EC.20Suhailite(NH4)Fe2+3(AlSi3O10)(OH)2Mon. 2/m :B2/m9.EC.20EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric. 1 :P19.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m :B2/m9.EC.20PhlogopiteKMg3(AlSi3O10)(OH)2Mon. 2/m :B2/m9.EC.20YangzhumingiteKMg2.5(Si4O10)F2Mon. 2/m :B2/m9.EC.20OrloviteKLi2Ti(Si4O10)OFMon. 2 :B29.EC.20TetraferrianniteKFe2+3(Si3Fe3+)O10(OH)2Mon. 2/m :B2/m9.EC.20ShirokshiniteK(NaMg2)(Si4O10)F2Mon. 2/m :B2/m9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m :B2/b9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m :B2/b9.EC.20ShirozuliteKMn2+3(Si3Al)O10(OH)2Mon. 2/m :B2/m9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon. 2/m :B2/b9.EC.20FluorophlogopiteKMg3(Si3Al)O10F2Mon. 2/m :B2/m9.EC.20Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m :B2/m9.EC.20UM2004-49-SiO:AlCsFHKLi(Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)29.EC.20FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m :B2/m9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m :B2/m9.EC.20EastoniteKMg2Al(Al2Si2O10)(OH)2Mon.9.EC.22PimeliteNi3Si4O10(OH)2 · 4H2OHex.9.EC.30MargariteCaAl2(Al2Si2O10)(OH)2Mon. 2/m :B2/b9.EC.30Chlorophaeite(Ca,Mg,Fe)2Fe2Si4O13 · 10H2O9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2Mon. 2/m :B2/m9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2Mon. 2/m :B2/m9.EC.35ClintoniteCaAlMg2(SiAl3O10)(OH)2Mon. 2/m :B2/m9.EC.35Oxykinoshitalite(Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2Mon. 2/m :B2/m9.EC.35FluorokinoshitaliteBaMg3(Al2Si2O10)F2Mon. 2/m :B2/m9.EC.35BityiteCaLiAl2(AlBeSi2O10)(OH)2Mon. 2/m :B2/b9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m :B2/b9.EC.40Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2OMon. 2/m :B2/m9.EC.40Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m :B2/m9.EC.40VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.9.EC.40NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2OMon. 2/m :B2/m9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)Orth.9.EC.40Yakhontovite(Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2OMon.9.EC.45SwineforditeLi(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2OMon. 2/m :B2/m9.EC.45HectoriteNa0.3(Mg,Li)3(Si4O10)(F,OH)2Mon. 2/m :B2/m9.EC.45ZincsiliteZn3Si4O10(OH)2 · 4H2O (?)Mon.9.EC.45HanjiangiteBa2CaV3+Al(H2AlSi3O12)(CO3)2FMon. 2 :B29.EC.45SpadaiteMgSiO2(OH)2 · H2O (?)9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2OMon.9.EC.45Stevensite(Ca,Na)xMg3-x(Si4O10)(OH)2Mon.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.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m9.EC.52Tarasovitenear NaKAl11Si13O40(OH)9 · 3H2O9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m :B2/m9.EC.55Borocookeite(LiAl4◻)[BSi3O10](OH)8Mon.m :Bb9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 :B29.EC.55PennantiteMn2+5Al(AlSi3O10)(OH)8Tric.9.EC.55VakhrushevaiteMg5Cr(AlSi3O10)(OH)8Tric.19.EC.55Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon. 2/m :B2/m9.EC.55Cookeite(LiAl4◻)[AlSi3O10](OH)8Mon. 2/m9.EC.55Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8Orth.9.EC.55Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8Mon. 2/m :B2/m9.EC.55Orthochamosite(Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)89.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric.19.EC.55SudoiteMg2Al3(Si3Al)O10)(OH)8Mon. 2/m :B2/m9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 :P19.EC.55DonbassiteAl4.33(Si3Al)O10(OH)8Mon. 2 :B29.EC.60DozyiteMg7Al2(Al2Si4O15)(OH)12Mon.9.EC.60Rectorite(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2OMon.9.EC.60Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2OOrth.9.EC.60AliettiteCa0.2Mg6((Si,Al)8O20)(OH)4 · 4H2OMon.9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)Mon.9.EC.60LunijianlaiteLi0.7Al6.2(AlSi7O20)(OH,O)10Mon.9.EC.60TosuditeNa0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2OMon. 2 :B29.EC.60HydrobiotiteK(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2OMon. 2/m :B2/m9.EC.60Saliotite(Li,Na)Al3(AlSi3O10)(OH)5Mon. 2/m :B2/m9.EC.60KulkeiteMg8Al(AlSi7O20)(OH)10Mon.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(32/m) :P31m9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.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 :P219.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.

Fluorescence of Garmite

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    • References for GarmiteⓘLa MaretaDill et al. (2023)
    Tajikistan (TL)
     
    Pautov+10 other references
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