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Lavrentievite

A valid IMA mineral species
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About LavrentieviteHide

09348550017068179628729.jpg
Mikhail A. Lavrentiev
Formula:
Hg2+3S2(Cl,Br)2
Colour:
Colorless to yellow
Lustre:
Adamantine, Vitreous
Hardness:
2 - 2½
Crystal System:
Monoclinic
Name:
Named by V.I. Vasil’ev, N.A. Pal’chik, and O.K. Grechishchev in 1984 in honor of Mikhail Alekseevich Lavrentiev (Михаи́л Алексе́евич Лавре́нтьев) (19 November 1900, Kazan, Russian Empire – 15 October 1980, Moscow, Soviet Union), mathematician and hydrodynamicist at the Institute of Hydrodynamics, Novosibirsk, Russia, and founder of the Siberian Academy of Science.
Polymorph of:
Forms a series with arzakite.


Unique IdentifiersHide

Mindat ID:
2350
Long-form identifier:
mindat:1:1:2350:0
GUID
(UUID V4):
ea2e8684-e503-4978-be87-5221cd33e9d0

IMA Classification of LavrentieviteHide

Classification of LavrentieviteHide

2.FC.15a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
C : With Cl, Br, I (halide-sulfides)
10.3.4.1

10 : OXYHALIDES AND HYDROXYHALIDES
3 : A3(O,OH)2Xq
6.5.3

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
5 : Sulphohalides

Mineral SymbolsHide

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

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

Physical Properties of LavrentieviteHide

Adamantine, Vitreous
Colour:
Colorless to yellow
Hardness:
2 - 2½ on Mohs scale

Chemistry of LavrentieviteHide

Mindat Formula:
Hg2+3S2(Cl,Br)2

Crystallography of LavrentieviteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.94(2) Å, b = 5.194(7) Å, c = 18.33(4) Å
β = 92.44(8)°
Ratio:
a:b:c = 1.721 : 1 : 3.529
Unit Cell V:
850.37 ų (Calculated from Unit Cell)
Z:
5
Comment:
Space group P 2 /m, P 2 or Pm. Possibly triclinic.

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of LavrentieviteHide

General Appearance of Type Material:
As complex intergrowths with arzakite, to 0.2 mm.
Place of Conservation of Type Material:
Central Siberian Geological Museum, Novosibirsk, Russia.
Associated Minerals at Type Locality:
Reference:
Vasil’ev, V.I., Pal’chik, N.A., Grechishchev, O.K. (1984) Lavrentievite and arzakite, new natural mercury sulfohalides. Geologiya i Geofizika: 25: 54-63.

Synonyms of LavrentieviteHide

Other Language Names for LavrentieviteHide

Relationship of Lavrentievite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Lavrentievite associated with CinnabarHgS

Related Minerals - Strunz-mindat GroupingHide

2.FC.Demicheleite-(I)BiSIOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.05DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
2.FC.05ThalfenisiteTl6(Fe,Ni,Cu)25S26ClIso.
2.FC.05Owensite(Ba,Pb)6(Cu,Fe,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.05Cu-djerfisheriteK6(Cu,Fe)25S26Cl
2.FC.05Zoharite(Ba,K)6(Fe,Cu,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.05GmalimiteK6◻Fe2+24S27Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.10BartoniteK6Fe20S26STet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.10ChlorbartoniteK6Fe24S26(Cl,S)Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.15aArzakiteHg2+3S2(Br,Cl)2Mon.
2.FC.15aCorderoiteHg2+3S2Cl2Iso. m3 (2/m 3)
2.FC.15cGrechishcheviteHg2+3S2(Br,Cl,I)2Tet.
2.FC.15dRadtkeiteHg2+3S2IClMon. 2/m : B2/m
2.FC.15bKenhsuiteHg2+3S2Cl2Orth.
2.FC.20aCapgaronniteAgHgClSOrth. mmm (2/m 2/m 2/m)
2.FC.20cPerrouditeHg5Ag4S5(I,Br)2Cl2Orth. 2 2 2 : P21 21 2
2.FC.20bIltisiteHgAgSClHex.
2.FC.20dHanaueriteAgHgSIOrth. mmm (2/m 2/m 2/m) : Pmma
2.FC.25Demicheleite-(Br)BiSBrOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.25Demicheleite-(Cl)BiSClOrth. mmm (2/m 2/m 2/m) : Pnma

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 LavrentieviteHide

References for LavrentieviteHide

Localities for LavrentieviteHide

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.
Argentina
 
  • San Juan Province
    • Iglesia Department
      • Tudcum
        • Frontera mining district
Rudashevsky et al. (2018)
Russia (TL)
 
  • Tuva
    • Pi-Khem District
      • Uyuk Range
Pekov (1998) +1 other reference
        • Oorash-Khem River Valley
Vasil’ev et al. (1984) +2 other references
 
矿物 and/or 产地  
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