SUPPORT US. Covid-19 has significantly affected our fundraising. Please help!
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Lermontovite

This page is currently not sponsored. Click here to sponsor this page.
03042840014949742074235.jpg
Lermontovite

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
03775210014949742073447.jpg
Lermontovite, etc.

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
03042840014949742074235.jpg
Lermontovite

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
03775210014949742073447.jpg
Lermontovite, etc.

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
02920520014947461187238.jpg
Lermontovite

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
04198940014947461182369.jpg
Lermontovite, etc.

Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
Hide all sections | Show all sections

About LermontoviteHide

07000980014947214813904.jpg
Mikhail Yur'evich Lermontov
Formula:
U(PO4)(OH) · H2O
Colour:
Grayish green, green
Lustre:
Silky, Dull
Specific Gravity:
4.00 - 4.50
Crystal System:
Orthorhombic
Name:
For Mikhail Yur'evich Lermontov (1814-1841), Russian poet
This page provides mineralogical data about Lermontovite.


Classification of LermontoviteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
Strunz 8th ed.:
7/D.43-20
Nickel-Strunz 10th (pending) ed.:
8.DN.15

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
N : With only large cations
Dana 8th ed.:
40.4.8.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
4 : (AB)5(XO4)2·xH2O
Hey's CIM Ref.:
19.11.1

19 : Phosphates
11 : Phosphates of U

Physical Properties of LermontoviteHide

Lustre:
Silky, Dull
Transparency:
Transparent
Comment:
Silky on fractures
Colour:
Grayish green, green
Comment:
Grassy green in transmitted light
Tenacity:
Very brittle
Density:
4.00 - 4.50 g/cm3 (Measured)    4.08 g/cm3 (Calculated)

Optical Data of LermontoviteHide

Type:
Biaxial (-)
RI values:
nα = 1.686 - 1.690 nβ = 1.707 nγ = 1.724 - 1.726
2V:
Calculated: 88°
Max Birefringence:
δ = 0.038
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v weak
Pleochroism:
Visible
Comments:
In shades of green to grayish green

Chemical Properties of LermontoviteHide

Formula:
U(PO4)(OH) · H2O
IMA Formula:
U4+(PO4)(OH) · H2O
Elements listed:
H, O, P, U - search for minerals with similar chemistry

Crystallography of LermontoviteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Ccca
Cell Parameters:
a = 9.74(1) Å, b = 19.00(1) Å, c = 10.10(1) Å
Ratio:
a:b:c = 0.513 : 1 : 0.532
Unit Cell V:
1,869.11 ų (Calculated from Unit Cell)
Z:
12
Morphology:
Fibrous, veinlets or botyroidal masses.

Type Occurrence of LermontoviteHide

Type Locality:
ⓘ Gremuchka ore zone, Mine no. 1, Beshtau Mountain, Lermontovskoe U Deposit, Pyatigorsk, Stavropol Krai, Russia
Geological Setting of Type Material:
Uranium bearing veins in granitic porphry stock.

Other Language Names for LermontoviteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Lermontovite associated with MarcasiteFeS2

Related Minerals - Nickel-Strunz GroupingHide

8.DN.05NatrophosphateNa6+xHxF(PO4)2 · (19+x)H2OIso. m3m (4/m 3 2/m) : Fd3c
8.DN.10IsoclasiteCa2(PO4)(OH) · 2H2OMon.
8.DN.15UrphoiteU4+6(PO4)7(OH)3 · 4H2OMon.
8.DN.20VyacheslaviteU(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Cmca

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

40.4.8.1Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2OOrth.
40.4.8.3VyacheslaviteU(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Cmca

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.11.2MetavanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 2H2OOrth. mmm (2/m 2/m 2/m) : Fddd
19.11.3VanmeersscheiteU6+(UO2)3(PO4)2(OH)6 · 4H2OOrth.
19.11.4Chernikovite(H3O)2(UO2)2(PO4)2 · 6H2OTet.
19.11.5VyacheslaviteU(PO4)(OH)Orth. mmm (2/m 2/m 2/m) : Cmca
19.11.6MetanatroautuniteNa(UO2)(PO4)(H2O)3Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc
19.11.7YingjiangiteK2Ca(UO2)7(PO4)4(OH)6 · 6H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.8Meta-ankoleiteK2(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m) : P4/nmm
19.11.9Uramphite(NH4)2(UO2)2(PO4)2 · 6H2OTet.
19.11.10TorberniteCu(UO2)2(PO4)2 · 12H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
19.11.11MetatorberniteCu(UO2)2(PO4)2 · 8H2OTet. 4/m : P4/n
19.11.12SaléeiteMg(UO2)2(PO4)2 · 10H2OMon. 2/m
19.11.13Ningyoite(U,Ca,Ce)2(PO4)2 · 1-2H2OOrth.
19.11.14Meta-autuniteCa(UO2)2(PO4)2 · 6H2OTet. 4/mmm (4/m 2/m 2/m)
19.11.15AutuniteCa(UO2)2(PO4)2 · 10-12H2OOrth. mmm (2/m 2/m 2/m) : Pnma
19.11.16Pseudo-autunite(H3O)4Ca2(UO2)2(PO4)4 · 5H2OOrth.
19.11.17PhurcaliteCa2(UO2)3(PO4)2O2 · 7H2OOrth.
19.11.18PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
19.11.19UlrichiteCaCu(UO2)(PO4)2 · 4H2OMon.
19.11.20BergeniteCa2Ba4(UO2)9(PO4)6O6 · 16H2OMon. 2/m : P21/b
19.11.21Metauranocircite-IBa(UO2)2(PO4)2 · 7H2OMon. 2 : P21
19.11.22UranocirciteBa(UO2)2(PO4)2 · 10H2OTet.
19.11.23RanunculiteHAl(UO2)(PO4)(OH)3 · 4H2OMon.
19.11.24TrianguliteAl3(UO2)4(PO4)4(OH)5 · 5H2OTric.
19.11.25MunditeAl(UO2)3(PO4)2(OH)3 · 5.5H2OOrth.
19.11.26UpaliteAl(UO2)3(PO4)2O(OH) · 7H2OMon.
19.11.27FurongiteAl13(UO2)7(PO4)13(OH)14 · 58H2OTric. 1 : P1
19.11.28ThreadgolditeAl(UO2)2(PO4)2(OH) · 8H2OMon.
19.11.29PhuralumiteAl2[(UO2)3(PO4)2O(OH)](OH)3(H2O)9Mon. 2/m
19.11.30MoreauiteAl3(UO2)(PO4)3(OH)2 · 13H2OMon. 2/m : P21/b
19.11.31SabugaliteHAl(UO2)4(PO4)4 · 16H2OMon. 2/m : B2/m
19.11.32Uranospathite(Al,◻)(UO2)2(PO4)2F · 20(H2O,F)Orth. mm2 : Pnn2
19.11.33AlthupiteAlTh(UO2)7(PO4)4(OH)5O2 · 15H2OTric. 1 : P1
19.11.34Françoisite-(Nd)(Nd,Ce,Sm)(UO2)3(PO4)2O(OH) · 6H2OMon.
19.11.35KivuiteTh(UO2)4(PO3OH)2(OH)8 · 7H2O
19.11.36ParsonsitePb2(UO2)(PO4)2Tric. 1 : P1
19.11.37DewindtiteH2Pb3(UO2)2(PO4)4O4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmma
19.11.38DumontitePb2(UO2)3O2(PO4)2 · 5H2OMon. 2/m : P21/m
19.11.39PrzhevalskitePb2(UO2)3(PO4)2(OH)4 · 3H2OOrth.
19.11.40LehneriteMn2+(UO2)2(PO4)2 · 8H2OMon.
19.11.41BassetiteFe2+(UO2)2(PO4)2 · 10H2OMon. 2/m
19.11.42Vochtenite(Fe2+,Mg)Fe3+(UO2)4(PO4)4(OH) · 12-13H2OMon.

Other InformationHide

Health Risks:
Radioactive

References for LermontoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Getseva, R.V., Salev’eva, K.T. (1956) Handbook for the determination of uranium minerals, Moscow, 260 pp., esp. 199–200. (in Russian)
Soboleva, M.V., Pudovkina, I.A. (1957) Uranium Minerals Handbook. Moscow, 404 pp., esp. 181–182. (in Russian)
Fleischer, M. (1958) New mineral names. American Mineralogist: 43: 378-387 (379).
Soboleva, M.V., Pudovkina, I.A. (1961) Lermontovite. in Minerals of Uranium: 209-212.
Melkov, V.G.; Belova, L.N.; Gorshkov, A.I.; Ivanova, O.A.; Sivtsov, A.V.; Boronikhin, V.A. (1983) New data on lermontovite. Mineralogicheskii Zhurnal: 5(1): 82-87. (in Russian)
Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1984) New mineral names. American Mineralogist: 69: 210-215 (214-215).

Internet Links for LermontoviteHide

Localities for LermontoviteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Germany
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab District
        • Pleystein
DILL, H.G., MELCHER, F., GERDES, A. and WEBER, B. (2008): The origin and zoning of hypogene and supergene Fe-Mn-Mg-Sc-U-REE-Zn phosphate mineralization from the newly discovered Trutzhofmühle aplite (Hagendorf pegmatite province, Germany). Canadian Mineralogist 46, 1131-1157.; Dill, H. G., Melcher, F., Gerdes, A., & Weber, B. (2008). The origin and zoning of hypogene and supergene Fe–Mn–Mg–Sc–U–REE phosphate mineralization from the newly discovered Trutzhofmühle aplite, Hagendorf pegmatite province, Germany. The Canadian Mineralogist, 46(5), 1131-1157.
Seeliger, E. & Strunz, H. (1965): Erzpetrographie der Uranmineralien von Wölsendorf. II. Brannerit, Lermontovit(?), Selen und Selenide, Ni- and Bi-Begleitmineralien etc. Neues Jahrbuch für Mineralogie, Abhandlungen 103, 163-178.; Dill, H. G., & Weber, B. (2010). Accessory minerals of fluorite and their implication regarding the environment of formation (Nabburg–Wölsendorf fluorite district, SE Germany), with special reference to fetid fluorite (“Stinkspat”). Ore Geology Reviews, 37(2), 65-86.
Poland
 
  • Lower Silesian Voivodeship
    • Dzierżoniów County
      • Piława Górna
        • DSS Piława Górna Quarry
Pieczka, A., Włodek, A., Gołębiowska, B., Szełęg, E., Szuszkiewicz, A., Ilnicki, S., Nejbert, K., Turniak, K. (2015): Phosphate-bearing pegmatites in the Góry Sowie Block and adjacent areas, Sudetes, SW Poland. 7th International Symposium on Granitic Pegmatites, PEG 2015 Książ, Poland. Abstracts: 77-78
Russia
 
  • Stavropol Krai
    • Pyatigorsk
      • Lermontovskoe U Deposit
        • Beshtau Mountain
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Quick NavTopAbout LermontoviteClassification Physical Properties Optical Data Chemical Properties Crystallography Type Occurrence Other LanguagesCommon AssociatesNickel-StrunzDanaHey's CIMOther InformationReferences Internet Links Localities Locality List
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2021, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us - Report a bug/vulnerability Current server date and time: March 8, 2021 09:50:11 Page generated: March 5, 2021 15:24:17
Go to top of page