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Phlogopite

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About PhlogopiteHide

Formula:
KMg3(AlSi3O10)(OH)2
Colour:
Brown, gray, green, yellow, or reddish brown
Lustre:
Vitreous, Pearly
Hardness:
2 - 3
Specific Gravity:
2.78 - 2.85
Crystal System:
Monoclinic
Name:
Named in 1841 by Johann Friedrich August Breithaupt from the Greek φλογωποζ "phlogopos" for "resembling fire", in allusion to the red tint of the original specimens.
Mica Group. Biotite-Phlogopite Series.
The hydroxyl analogue of Fluorophlogopite and the magnesium analogue of Hendricksite. Also, generally the micas on the Phlogopite end (magnesium end) of the Biotite-Phlogopite Series, including Phlogopite, Fluorophlogopite, Eastonite, and Hendricksite.

A wide-spread member of the mica group occurring especially in crystalline, dolomitic marbles associated with spinel, diopside and members of the chondrodite group. Redefined as the OH end-member by the IMA Mica Subcommittee in 1998.

May alter to vermiculite.


Classification of PhlogopiteHide

Approved, 'Grandfathered' (first described prior to 1959)
Approval Year:
1998
9.EC.20

9 : SILICATES (Germanates)
E : Phyllosilicates
C : Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
71.2.2b.1

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
2 : Sheets of 6-membered rings with 2:1 layers
16.8.6

16 : Silicates Containing Aluminum and other Metals
8 : Aluminosilicates of Mg and alkalis

Physical Properties of PhlogopiteHide

Vitreous, Pearly
Transparency:
Transparent, Translucent
Comment:
sub-metallic on cleavage
Colour:
Brown, gray, green, yellow, or reddish brown
Streak:
White
Hardness:
2 - 3 on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
on {0001}
Fracture:
Micaceous
Density:
2.78 - 2.85 g/cm3 (Measured)    2.79 g/cm3 (Calculated)

Optical Data of PhlogopiteHide

Type:
Biaxial (-)
RI values:
nα = 1.530 - 1.573 nβ = 1.557 - 1.617 nγ = 1.558 - 1.618
2V:
Calculated: 16° to 20°
Max Birefringence:
δ = 0.028 - 0.045
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v distinct
Pleochroism:
Visible
Comments:
X= yellow
Y=Z= brownish red, green, yellow

Chemical Properties of PhlogopiteHide

Formula:
KMg3(AlSi3O10)(OH)2
Common Impurities:
Mn,Ba,Cr,Na,Ti,Ni,Zn,Ca,Li,Rb,H2O

Age distributionHide

Recorded ages:
Paleoproterozoic to Neogene : 1782.5 ± 3.7 Ma to 13 Ma - based on 73 recorded ages.

Chemical AnalysisHide

Oxide wt%:
 119
SiO240,72 %39.79 %
Al2O317,05 %15.58 %
Fe2O31,68 % %
FeO2,73 %2.92 %
MnO0,02 %0.03 %
MgO24,18 %23.32 %
TiO21,04 %2.53 %
CaO1,19 %0.02 %
Na2O0,55 %0.27 %
K2O6,74 %10.56 %
F0,96 %1.39 %
H2O+3,38 % %
H2O-0,06 % %
Cr2O3 %0.03 %
BaO %0.04 %
Cl %0.02 %
H2O %3.57 %
O=F,Cl %–0.59 %
Total:95 %100.07 %
Sample references:
IDLocalityReference
1Ianakafy, Ianakafy, Betroka, Anosy, Madagascarvon Knorring, O., Sahama, Th.G., and Lehtinen, M. (1969) Kornerupine-bearing gneiss from Inanakafy near Betroka, Madagascar. Bulletin of the Geological Society of Finland: 41: 79-84.
2Dangreyong lake, Nyima Co., Nagchu Prefecture, Tibet, ChinaZhao, Z. D., Mo, X. X., Nomade, S., Renne, P. R., Zhou, S., Dong, G. C., ... & Liao, Z. L. (2006). Post-collisional ultrapotassic rocks in Lhasa block, Tibetan Plateau: Spatial and temporal distribution and its' implications. Acta Petrologica Sinica, 22(4), 787-794.
3West Qinling, Li County, Longnan, Gansu, ChinaYu, X. H., Mo, X. X., Flower, M., Su, S. G., & Zhao, X. (2001). Cenozoic kamafugite volcanism and tectonic meaning in west Qinling area, Gansu province. Acta Petrologica Sinica, 17(3), 366-+.
4Tsumo mine, Masuda City, Shimane Prefecture, JapanShibata K, Ishihara S (1974): K-Ar ages of the major tungsten and molybdenum deposits in Japan. Economic Geology 69(8) 1207-1214.
5Crater of Diamonds State Park, Murfreesboro, Pike Co., Arkansas, USAZartman, R. E. (1977) Geochronology of some alkalic rock provinces in eastern and central United States. Annual Review of Earth and Planetary Sciences, 5, 257.
6Laiwu-Zibo Carbonatites, Gangcheng District, Laiwu, Shandong, ChinaWan, G.D. & Hu, S.J. 1982. The Relation Between Kimberlite, Alkaline Ultrabasic Rocks, Carbonatites and Melanocratic Rocks From Shandong Province, China. Unpublished Scientific Research Report of the Bureau of Geology and Mineral Resources of Shandong Province.
7Ryabinovskoe Cu-Au deposit, Aldan, Aldan Shield, Sakha Republic, RussiaBorisenko, A.S., Spiridonov, A.M., Izokh, A.E., Prokopiev, A.V., Lebedev, V.I., Gaskov, I.V., ... & Tretyakova, I. G. (2012). Highly productive stages of basite and granitoid magmatism in Northern Asia, an assessment of their resource potential, scientific substantiation of the forecast criteria, and the search for large deposits (Cu-Ni-Pt, Co, Au and rare metals). Minerageny problems of Russia, 237-252.
8Erongo Mountains, Karibib, Erongo Region, NamibiaWigand, M., Schmitt, A. K., Trumbull, R. B., Villa, I. M., Emmermann, R. (2004) Short-liived magmatic activity in an anorogenic subvolcanic complex: 40Ar/39Ar and ion microprobe U-Pb zircon dating of the Erongo, Damaraland, Namibia. Journal of Volcanology and Geothermal Research 130 (3-4) 285-305.
9  "  "  "  "
10Sung Valley complex, East Khasi Hills District, Meghalaya, IndiaSarkar, A., Datta, A. K., Poddar, B. C., Bhattacharyya, B. K., Kollapuri, V. K., & Sanwal, R. (1996). Geochronological studies of Mesozoic igneous rocks from eastern India. Journal of Southeast Asian Earth Sciences, 13(2), 77-81.
11Saima complex, Kuandian County, Dandong, Liaoning, ChinaSaima Deposit Research Group. (1978). Uranium deposit in the Saima alkaline massif, Northeast China. Sci. Sinica, 21, 365-389.
12Wajiertage, Bachu Co., Kashi Prefecture, Xinjiang, ChinaZhang, H. C., Fan, H. F., Chang, F. Q., Zhang, W. X., Lei, G. L., Yang, M. S., ... & Yang, L. Q. (2008). AMS dating on the shell bar section from Qaidam Basin, NE Tibetan Plateau, China. Radiocarbon, 50(2), 255-265.
13Seblyavr Massif, Kolsky District, Murmansk Oblast, RussiaOrris, G. J., Grauch, R. I. (2002) Rare Earth element mines, deposits, and occurenes. USGS Open-File Report 02-189, 1-174.
14Perunthol-Kakkaponnu, Kollam District, Kerala, IndiaRajesh, V. J., Arima, M., & Santosh, M. (2004). Dunite, glimmerite and spinellite in Achankovil Shear Zone, South India: implications for highly potassic CO2-rich melt influx along an intra-continental shear zone. Gondwana Research, 7(4), 961-974.
15Ol'khonskiye Vorota Strait, Lake Baikal area, Irkutsk Oblast, RussiaGastil, R. G. (1960) The distribution of mineral dates in time and space. American Journal of Science, 258(1), 1-35.
16Mafilefy phlogopite mine, Ampamata, Ambovombe-Androy, Androy, MadagascarBesairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p. 306
17Qieganbulake complex, Lopnur Co., Bayin'gholin Autonomous Prefecture, Xinjiang, ChinaYe, H. M., Li, X. H., & Lan, Z. W. (2013). Geochemical and Sr–Nd–Hf–O–C isotopic constraints on the origin of the Neoproterozoic Qieganbulake ultramafic–carbonatite complex from the Tarim Block, Northwest China. Lithos, 182, 150-164.
18Krishna lamproite field, Krishna District, Andhra Pradesh, IndiaKumar, A., Gopalan, K., Rao, K.R.P. & Nayak, S.S. 2001. Rb-Sr age of kimberlites and lamproites from eastern Dharwar Craton, south India. Journal of the Geological Society of India, 58, 135-141.
19Beluga sapphire property, Kimmirut, Baffin Island, Qikiqtaaluk Region, Nunavut, CanadaBelley, P, et al. (2017) Origin Of Scapolite-Hosted Sapphire (Corundum) Near Kimmirut, Baffin Island, Nunavut, Canada The Canadian Mineralogist,55(4):669 http://dx.doi.org/10.3749/canmin.1700018

Crystallography of PhlogopiteHide

Polytype:
Formula:
Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Ratio:
Unit Cell Volume (calc):
Z:
Phlogopite-1MPhlogopite-1MdPhlogopite-2M1Phlogopite-3T
    
Monoclinic  Monoclinic Trigonal 
2/m - Prismatic 2/m - Prismatic3 2 - Trapezohedral
B2/m  B2/b P31 2 1
C2/m  C2/c  
a = 5.3078(4) Å, b = 9.1901(5) Å, c = 10.1547(8) Å
β = 100.08(1)°

a = 5.3273(2) Å, b = 9.2231(3) Å, c = 20.1964(8) Å
β = 95.121(2)°
a = 5.3235(2) Å, c = 30.188(2) Å
a:b:c = 0.578 : 1 : 1.105 a:b:c = 0.578 : 1 : 2.19a:c = 1 : 5.671
V 487.69 ų
(Calculated from Unit Cell)
 V 988.37 ųV 740.90 ų
(Calculated from Unit Cell)
2   

Crystallographic forms of PhlogopiteHide

Crystal Atlas:
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Phlogopite no.100 - Goldschmidt (1913-1926)
Phlogopite no.127 - Goldschmidt (1913-1926)
Phlogopite no.128 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Transparency
Opaque | Translucent | Transparent

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X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Geological EnvironmentHide

Geological Setting:
Contact and regional metamorphic limestones and dolomites, ultramafic rocks

Synonyms of PhlogopiteHide

Other Language Names for PhlogopiteHide

Basque:Flogopita
Catalan:Flogopita
Dutch:Flogopiet
Galician:Flogopita
Japanese:金雲母
Polish:Flogopit
Portuguese:Flogopita
Simplified Chinese:金云母
Spanish:Flogopita

Varieties of PhlogopiteHide

Barium-PhlogopiteA barian Phlogopite with 1 and more % BaO.
BarytbiotiteMica group. A barian variety of Phlogopite (not Biotite).
Originally reported from Schelingen, Kaiserstuhl, Baden-Württemberg, Germany.
Chrome PhlogopiteA Cr-bearing phlogopite.
Chromian PhlogopiteA chromium-bearing phlogopite.
Ferroan PhlogopiteMuch so-called Biotite is actually Ferroan Phlogopite.
Fluorian PhlogopiteA F-bearing variety of phlogopite.
Manganoan PhlogopiteA manganese-bearing variety of phlogopite.
Titanian phlogopiteA variety of phlogopite containing titanium.
Zincian Manganoan PhlogopiteFrom peralkaline phonolites of Ukraine, in a groundmass together with hendricksite. Has some tainiolite component in composition.

Relationship of Phlogopite to other SpeciesHide

Other Members of this group:
AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
EastoniteKMg2Al(Al2Si2O10)(OH)2Mon.
FluoranniteKFe2+3(Si3Al)O10F2Mon.
FluorophlogopiteKMg3(AlSi3O10)(F,OH)2Mon. 2/m : B2/m
FluorotetraferriphlogopiteKMg3(Fe3+Si3O10)F2Mon. 2/m : B2/m
OxyphlogopiteK(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2Mon. 2/m : B2/m
SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
TetraferrianniteKFe2+3(Si3Fe3+)O10(OH)2Mon.
TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
152 photos of Phlogopite associated with CalciteCaCO3
55 photos of Phlogopite associated with DiopsideCaMgSi2O6
46 photos of Phlogopite associated with PyriteFeS2
45 photos of Phlogopite associated with LazuriteNa6Ca2(Al6Si6O24)(SO4,S,S2,S3,Cl,OH)2
32 photos of Phlogopite associated with SpinelMgAl2O4
27 photos of Phlogopite associated with RubyAl2O3
27 photos of Phlogopite associated with QuartzSiO2
26 photos of Phlogopite associated with ErythriteCo3(AsO4)2 · 8H2O
26 photos of Phlogopite associated with FluorapatiteCa5(PO4)3F
21 photos of Phlogopite associated with Anthophyllite☐{Mg2}{Mg5}(Si8O22)(OH)2

Related Minerals - Nickel-Strunz GroupingHide

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(LiAl1.51.5)(Al0.5Si3.5)O10F2Mon. 2/m : B2/b
9.EC.10FerripyrophylliteFe3+Si2O5(OH)Mon.
9.EC.10PyrophylliteAl2Si4O10(OH)2Tric. 1
9.EC.15BoromuscoviteKAl2(BSi3O10)(OH)2Mon.
9.EC.15CeladoniteK(Mg,Fe2+)Fe3+(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)4
9.EC.15MuscoviteKAl2(AlSi3O10)(OH)2Mon. 2/m : B2/b
9.EC.15NanpingiteCsAl2(AlSi3O10)(OH,F)2Mon.
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.
9.EC.15AluminoceladoniteK(Mg,Fe2+)Al(Si4O10)(OH)2Mon.
9.EC.15ChromphylliteK(Cr,Al)2(AlSi3O10)(OH,F)2Mon. 2/m : B2/b
9.EC.15FerroaluminoceladoniteK(Fe2+,Mg)(Al,Fe3+)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15FerroceladoniteK(Fe2+,Mg)(Fe3+,Al)(Si4O10)(OH)2Mon. 2/m : B2/m
9.EC.15ChromceladoniteK(Mg,Fe2+)(Cr,Al)(Si4O10)(OH)2Mon.
9.EC.15TainioliteKLiMg2(Si4O10)F2Mon.
9.EC.15Ganterite(Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2Mon.
9.EC.20AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
9.EC.20EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric.
9.EC.20HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m : B2/m
9.EC.20Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon.
9.EC.20NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
9.EC.20PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon.
9.EC.20SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
9.EC.20TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
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.
9.EC.20TrilithioniteK(Li1.5Al1.5)(AlSi3O10)(F,OH)2Mon. 2/m : B2/b
9.EC.20FluoranniteKFe2+3(Si3Al)O10F2Mon.
9.EC.20ShirokshiniteKNaMg2(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(AlSi3O10)(F,OH)2Mon. 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.30MargariteCaAl2(Al2Si2O10)(OH)2Mon.
9.EC.35Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2Mon. 2/m : B2/b
9.EC.35BityiteLiCaAl2(AlBeSi2O10)(OH)2Mon. 2/m : B2/b
9.EC.35ClintoniteCa(Mg,Al)3(Al3SiO10)(OH)2Mon. 2/m : B2/m
9.EC.35Kinoshitalite(Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2Mon.
9.EC.35Ferrokinoshitalite(Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2Mon.
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.
9.EC.40Kurumsakite(Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?)
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.
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.
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)4((Si,Al)4O10)2(OH,F)4 · nH2OMon.
9.EC.45ZincsiliteZn3(Si4O10)(OH)2 · 4H2OMon.
9.EC.45FerrosaponiteCa0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O
9.EC.50VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2OMon. 2/m
9.EC.55Baileychlore(Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8Tric. 1
9.EC.55Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8Mon.
9.EC.55ClinochloreMg5Al(AlSi3O10)(OH)8Mon. 2/m : B2/m
9.EC.55Cookeite(Al2Li)Al2(AlSi3O10)(OH)8Mon. 2/m
9.EC.55FranklinfurnaceiteCa2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8Mon. 2 : B2
9.EC.55Gonyerite(Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8
9.EC.55Nimite(Ni,Mg,Al)6((Si,Al)4O10)(OH)8Mon.
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.
9.EC.55DonbassiteAl4.33(AlSi3O10)(OH)8Mon. 2 : B2
9.EC.55GlagoleviteNa(Mg,Al)6(AlSi3O10)(OH,O)8Tric. 1 : P1
9.EC.55BorocookeiteLi1+3xAl4-x(BSi3O10)(OH)8
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.
9.EC.60Karpinskite(Ni,Mg)2Si2O5(OH)2 (?)
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.
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.
9.EC.75Niksergievite(Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2OMon.
9.EC.80KegelitePb8Al4(Si8O20)(SO4)2(CO3)4(OH)8Mon.

Related Minerals - Dana Grouping (8th Ed.)Hide

71.2.2b.3AnniteKFe2+3(AlSi3O10)(OH)2Mon. 2/m : B2/m
71.2.2b.4TetraferrianniteKFe2+3(Si3Fe3+)O10(OH)2Mon.
71.2.2b.5SiderophylliteKFe2+2Al(Al2Si2O10)(OH)2Mon.
71.2.2b.6HendricksiteKZn3(Si3Al)O10(OH)2Mon. 2/m : B2/m
71.2.2b.8PolylithioniteKLi2Al(Si4O10)(F,OH)2Mon. 2/m : B2/b
71.2.2b.9TainioliteKLiMg2(Si4O10)F2Mon.
71.2.2b.11NorrishiteKLiMn3+2(Si4O10)O2Mon. 2/m : B2/m
71.2.2b.12Masutomilite(K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2Mon.
71.2.2b.13Sodium PhlogopiteNaMg3(AlSi3O10)(OH)2
71.2.2b.14Wonesite(Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4Mon. 2/m : B2/m
71.2.2b.15PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon.
71.2.2b.16EphesiteNaLiAl2(Al2Si2O10)(OH)2Tric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.8.1PreiswerkiteNaMg2Al(Al2Si2O10)(OH)2Mon.
16.8.3NybøiteNaNa2(Mg3Al2)(AlSi7O22)(OH)2Mon. 2/m : B2/m
16.8.4Ferrierite
16.8.5Yagiite(Na,K)3Mg4(Al,Mg)6(Si,Al)24O60Hex. 6/mmm (6/m 2/m 2/m)

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.

Phlogopite in petrologyHide

References for PhlogopiteHide

Reference List:
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Yoder, H.S., Eugster, H.P. (1954) Phlogopite synthesis and stability range. Geochimica et Cosmochimica Acta 6, 157-185.
Yoder, H.S., jr. (1957): Experimental studies on micas: A synthesis. Clays and Clay Minerals 6, 42-60.
Chaussidon, J. (1970) Stretching frequencies of structural hydroxyls of hectorite and K-depleted phlogopite as influenced by interlayer cation and hydration. Clays and Clay Minerals: 18: 139-149.
Hazen, R.M., Burnham, C.W. (1973): The crystal structure of one-layer phlogopite and annite. American Mineralogist: 58: 889-900.
Yoshii, M., Togashi, Y., Maeda, K. (1973) On the intensity changes of basal reflections with relation to barium content in manganoan phlogopite and kinoshitalite. Bulletin of the Geological Survey of Japan: 24: 543-550.
Dawson, J.B. and Smith, J.V. (1975) Chemistry and origin of phlogopite megacrysts in kimberlite. Nature: 253: 336–338.
Robert, J.-L. (1976) Phlogopite solid solutions in the system K2O-MgO-Al2O3-SiO2-H2O: Chemical Geology: 17: 195-212.
Hazen, R.M., Finger, L.W. (1978) The crystal structures and compressibilities of layer minerals at high pressure. II. Phlogopite and chlorite. American Mineralogist: 63: 293-296.
Gaspar, J.C., Wyllie, P.J. (1982) Barium phlogopite from the Jacupiranga carbonitite, Brazil. American Mineralogist: 67: 997-1000.
Guggenheim, S., Kato, T. (1984) Kinoshitalite and Mn phlogopites: trial refinements in subgroup symmetry and further refinement in ideal symmetry. Mineralogical Journal: 12: 1-5.
Hiroi, Y., Harada-Kondo, H., Ogo, Y. (1992) Cuprian manganoan phlogopite in highly oxidized Mineoka siliceous schists from Kamogawa, Boso Peninsula, central Japan. American Mineralogist: 77: 1099.
Anthony, J.W., Bideaux, R.A., Bladh, K.W., Nichols, M.C. (1995) Handbook of Mineralogy, Volume II. Silica, Silicates. Mineral Data Publishing, Tucson, AZ, 904pp., 2 sub-volumes: 646.
Rieder, M., Cavazzani, G., D'Yakonov, Y.S., Frank-Kamenetskii, V.A., Gottardi, G., Guggenheim, S., Koval, P.V., Müller, G., Neiva, A.M.R., Radaslovich, E.W., Robert, J.-L., Sassi, F.P., Takeda, H., Weiss, Z., Wones, D.R. (1998) Nomenclature of the micas. The Canadian Mineralogist: 36: 905-912.
Comodi, P., Fumagalli, P., Montagnoli, M., Zanazzi, P.F. (2004) A single-crystal study on the pressure behavior of phlogopite and petrological implications. American Mineralogist: 89: 647-653.

Internet Links for PhlogopiteHide

Localities for PhlogopiteHide

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