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Litochlebite

A valid IMA mineral species

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Litochlebite, etc.

Zálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic

Litochlebite, etc.

Zálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic

Litochlebite, etc.

Zálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic

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About LitochlebiteHide

Jiří Litochleb

Formula:

Ag₂PbBi₄Se₈

Colour:

Dark grey to black

Lustre:

Metallic

Hardness:

Specific Gravity:

7.90 (Calculated)

Crystal System:

Monoclinic

Name:

Honors the Czech mineralogist Dr. Jiří Litochleb (1948 - 2014), former head of the Department of Mineralogy and Petrology and director of the Natural History Museum, National Museum, Praha, Czech Republic. Dr. Litochleb was the author of numerous papers on uranium, base metal, and gold ore deposits and on the mineralogy of Bi sulfo-seleno-tellurides, selenides, and sulfosalts from the Czech Republic.

Type Locality:

ⓘ Zálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic

Ag-analog of watkinsonite. Closely related to luxembourgite.

Structurally related to berryite.

Unique IdentifiersHide

Mindat ID:

39637

Long-form identifier:

mindat:1:1:39637:4

GUID
(UUID V4):

8e1ee4bb-b1a0-49ad-832b-09e2d675d418

IMA Classification of LitochlebiteHide

IMA status:

Approved

Approval year:

2009

First published:

2011

Type description reference:

Sejkora, J., Makovicky, E., Topa, D., Putz, H., Zagler, G., Plasil, J. (2011) Litochlebite, Ag₂PbBi₄Se₈, a new selenide mineral species from Zálesí, Czech Republic: description and crystal structure. The Canadian Mineralogist, 49 (2) 639-650 doi:10.3749/canmin.49.2.639

Classification of LitochlebiteHide

Strunz-mindat (2024):

2.HB.20e

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb

Dana 8th ed.:

3.7.21.2

3 : SULFOSALTS
7 : ø = 2

Mineral SymbolsHide

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

Symbol	Source	Reference
Lto	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LitochlebiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Dark grey to black

Streak:

Dark grey

Hardness:

3 on Mohs scale

Hardness:

VHN₁₀=230 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Irregular/Uneven

Density:

7.90 g/cm³ (Calculated)

Optical Data of LitochlebiteHide

Anisotropism:

Anisotropy is moderate both in air and in oil

Bireflectance:

Weak only in oil

Reflectivity:

Wavelength	R₁	R₂
400nm	41.5%	48.9%
420nm	43.0%	49.1%
440nm	44.4%	49.7%
460nm	44.1%	49.3%
470nm	44.5%	49.9%
480nm	44.8%	50.2%
500nm	45.1%	49.9%
520nm	44.8%	50.1%
540nm	44.9%	50.4%
546nm	45.1%	50.5%
560nm	45.2%	50.9%
580nm	45.6%	51.2%
589nm	45.6%	51.3%
600nm	45.4%	51.4%
620nm	45.4%	51.7%
640nm	45.1%	51.7%
650nm	45.4%	51.8%
660nm	45.4%	51.9%
680nm	45.2%	51.6%
700nm	44.9%	51.8%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 51.9%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

White

Internal Reflections:

None

Pleochroism:

Visible

Comments:

White with a very faint yellowish tint (darkest position) to white with a very faint bluish tint (lightest position)

Chemistry of LitochlebiteHide

Mindat Formula:

Ag₂PbBi₄Se₈

Elements listed:

Ag, Bi, Pb, Se - search for minerals with similar chemistry

Crystallography of LitochlebiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

P2₁/m

Cell Parameters:

a = 13.182(2) Å, b = 4.140(8) Å, c = 15.299(2) Å
β = 109.11(1)°

Ratio:

a:b:c = 3.184 : 1 : 3.695

Unit Cell V:

788.91 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0018384	Litochlebite	Sejkora J, Makovicky E, Topa D, Putz H, Zagler G, Pasil J (2011) Litochlebite, Ag2PbBi4Se8, a new selenide mineral species from Zalesi, Czech Republic: description and crystal structure The Canadian Mineralogist 49 639-650		2011	Zalesi uranium deposit, northern Moravia, Czech Republic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Litochlebite'
loop_
_publ_author_name
'Sejkora J'
'Makovicky E'
'Topa D'
'Putz H'
'Zagler G'
'Pasil J'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 49 
_journal_year 2011
_journal_page_first 639
_journal_page_last 650
_publ_section_title
;
 Litochlebite, Ag2PbBi4Se8, a new selenide mineral species from Zalesi,
 Czech Republic: description and crystal structure
;
_database_code_amcsd 0018384
_chemical_compound_source 'Zalesi uranium deposit, northern Moravia, Czech Republic'
_chemical_formula_sum 'Pb Bi4 Se8 Ag2'
_cell_length_a 13.203
_cell_length_b 4.186
_cell_length_c 15.280
_cell_angle_alpha 90
_cell_angle_beta 109.164
_cell_angle_gamma 90
_cell_volume 797.692
_exptl_crystal_density_diffrn      7.871
_symmetry_space_group_name_H-M 'P 1 21/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Pb1   0.23180   0.25000   0.32700   1.00000   0.03690
Bi1   0.04210   0.25000   0.88510   1.00000   0.02050
Bi2   0.56710   0.25000   0.29740   1.00000   0.02010
Bi3   0.70820   0.25000   0.90390   1.00000   0.02120
Bi4   0.92530   0.25000   0.37860   1.00000   0.02390
Se1   0.12190   0.25000   0.51060   1.00000   0.01530
Se2   0.13330   0.25000   0.11430   1.00000   0.01740
Se3   0.30340   0.25000   0.73000   1.00000   0.01770
Se4   0.43290   0.25000   0.07650   1.00000   0.01840
Se5   0.61860   0.25000   0.71020   1.00000   0.01940
Se6   0.65690   0.25000   0.48360   1.00000   0.03200
Se7   0.81630   0.25000   0.11960   1.00000   0.02040
Se8   0.95230   0.25000   0.69530   1.00000   0.01550
Ag1a   0.38000   0.25000   0.90260   0.86000   0.06100
Ag1b   0.37400  -0.07000   0.90200   0.07000   0.08000
Ag2a   0.47080   0.25000   0.52560   0.76000   0.09300
Ag2b   0.50000   0.00000   0.50000   0.24000   0.08000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Pb1 0.03080 0.02380 0.05700 0.00000 0.01610 0.00000
Bi1 0.02040 0.02150 0.01830 0.00000 0.00450 0.00000
Bi2 0.02360 0.02040 0.01760 0.00000 0.00850 0.00000
Bi3 0.02170 0.02090 0.01900 0.00000 0.00400 0.00000
Bi4 0.02200 0.02180 0.02500 0.00000 0.00310 0.00000
Se1 0.01000 0.01800 0.01700 0.00000 0.00300 0.00000
Se2 0.01700 0.01400 0.02100 0.00000 0.00600 0.00000
Se3 0.01900 0.01800 0.01700 0.00000 0.00700 0.00000
Se4 0.01800 0.01800 0.01900 0.00000 0.00500 0.00000
Se5 0.02200 0.01800 0.01900 0.00000 0.00700 0.00000
Se6 0.02700 0.05700 0.01500 0.00000 0.00900 0.00000
Se7 0.01900 0.01800 0.02300 0.00000 0.00400 0.00000
Se8 0.01700 0.01500 0.01400 0.00000 0.00500 0.00000
Ag1a 0.05900 0.11000 0.01400 0.00000 0.00800 0.00000
Ag1b 0.01000 0.16000 0.06000 0.00000 0.00400 0.00000
Ag2a 0.06600 0.12500 0.07800 0.00000 0.01200 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.684 Å	(53)
3.625 Å	(39)
3.201 Å	(76)
3.028 Å	(100)
2.980 Å	(88)
2.892 Å	(95)
2.822 Å	(35)
2.094 Å	(31)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of LitochlebiteHide

Type Locality:

ⓘ Zálesí uranium deposit, Zálesí, Javorník, Jeseník District, Olomouc Region, Czech Republic

General Appearance of Type Material:

Irregular grains up to 200μm, forming aggregates up to 1–2 mm in size in a quartz gangue.

Place of Conservation of Type Material:

National Museum, Prague, Czech Republic (catalogue number P1P 11/2009).

Geological Setting of Type Material:

Uranium veins of the five-element class (U-Ni-Co-As-Ag).

Associated Minerals at Type Locality:

Reference:

Sejkora, J., Makovicky, E., Topa, D., Putz, H., Zagler, G. Plasil, J. (2011) Litochlebite, Ag2PbBi4Se8, a new mineral species from Zálesí, Czech Republic: description and crystal-structure determination. The Canadian

Download:

https://rruff.info/rruff_1.0/uploads/CM49_639.pdf

Synonyms of LitochlebiteHide

IMA2009-036

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Litochlebite associated with Quartz

SiO₂

Related Minerals - Strunz-mindat Grouping Hide

2.HB.	Barikaite	Ag₃Pb₁₀(Sb₈As₁₁)S₄₀	Mon. 2/m : P2₁/b
2.HB.	Carducciite	(Ag₂Sb₂)Pb₁₂(As,Sb)₁₆S₄₀	Mon. 2/m : P2₁/b
2.HB.	Sardashtite	Ag₉Cu_2.5Pb₄₁Sb_36.5As₇S₁₁₂	Mon. 2/m
2.HB.	Interliveingite	AgPb₁₈As₂₅S₅₆	Mon. 2 : P2₁
2.HB.	Reckibachite	Ag₂Pb₁₂As₁₄Sb₄S₄₀	Mon. 2/m : P2₁/b
2.HB.05a	Aikinite	PbCuBiS₃	Orth. mmm (2/m 2/m 2/m) : Pnma
2.HB.05a	Friedrichite	Pb₅Cu₅Bi₇S₁₈	Orth. mm2
2.HB.05a	Gladite	PbCuBi₅S₉	Orth. mmm (2/m 2/m 2/m)
2.HB.05a	Hammarite	Pb₂Cu₂Bi₄S₉	Orth.
2.HB.05c	Jaskólskiite	Cu_xPb_2+x(Sb,Bi)_2-xS₅ (x ~ 0.15)	Orth. mmm (2/m 2/m 2/m)
2.HB.05a	Krupkaite	PbCuBi₃S₆	Orth. mm2
2.HB.05a	Lindströmite	Pb₃Cu₃Bi₇S₁₅	Orth. mmm (2/m 2/m 2/m)
2.HB.05b	Meneghinite	Pb₁₃CuSb₇S₂₄	Orth. mmm (2/m 2/m 2/m)
2.HB.05a	Pekoite	PbCuBi₁₁S₁₈	Orth. mm2
2.HB.05a	Emilite	Pb_2.7Cu_2.7Bi_5.3S₁₂	Orth. mm2 : Pmc2₁
2.HB.05	UM2000-46-S:BiCuPb	Cu_0.33Pb_0.33Bi_7.67S₁₂
2.HB.05a	Salzburgite	Pb_1.6Cu_1.6Bi_6.4S₁₂	Orth. mm2 : Pmc2₁
2.HB.05	UM1990-54-Se:BiCuPb	CuPb(Ni,Co)_0.3Bi₃Se₆
2.HB.05a	Paarite	Pb_1.7Cu_1.7Bi_6.3S₁₂	Orth. mmm (2/m 2/m 2/m) : Pbcn
2.HB.10c	Eclarite	(Cu,Fe)Pb₉Bi₁₂S₂₈	Orth. mmm (2/m 2/m 2/m) : Pnma
2.HB.10b	Giessenite	Pb₂₇Cu₂(Bi,Sb)₁₉S₅₇	Mon. 2/m
2.HB.10b	Izoklakeite	Pb₂₇(Cu,Fe,Ag)₂(Sb,Bi)₁₉S₅₇	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.HB.10a	Kobellite	Pb₂₂Cu₄(Bi,Sb)₃₀S₆₉	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.HB.10a	Tintinaite	Pb₂₂Cu₄(Sb,Bi)₃₀S₆₉	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.HB.15	Benavidesite	Pb₄MnSb₆S₁₄	Mon. 2/m : P2₁/b
2.HB.15	Jamesonite	Pb₄FeSb₆S₁₄	Mon. 2/m : P2₁/b
2.HB.20d	Berryite	Cu₃Ag₂Pb₃Bi₇S₁₆	Mon. 2/m : P2₁/m
2.HB.20b	Buckhornite	AuPb₂BiTe₂S₃	Orth. mmm (2/m 2/m 2/m) : Pmmm
2.HB.20a	Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃	Mon. 2/m : P2₁/m
2.HB.20e	Watkinsonite	Cu₂PbBi₄(Se,S,Te)₈	Mon. 2/m : P2₁/m
2.HB.20c	Museumite	[Pb₂(Pb,Sb)₂S₈][(Te,Au)₂]	Mon. 2
2.HB.20b	Jaszczakite	[Bi₃S₃][AuS₂]	Orth. mmm (2/m 2/m 2/m) : Pmmn
2.HB.20e	Luxembourgite	AgCuPbBi₄Se₈	Mon. 2/m : P2₁/m
2.HB.25	Meerschautite	(Ag,Cu)₆Pb_43-2xSb_44+2xS₁₁₂O_x (x ~0.5)	Mon. 2 : P2₁

Fluorescence of LitochlebiteHide

In UV light:

none

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 LitochlebiteHide

mindat.org URL:

https://www.mindat.org/min-39637.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for LitochlebiteHide

Reference List:

Gatta, G. D., Camara, F., Tait, K. T., Belakovskiy, D. (2012) New Mineral Names. American Mineralogist, 97 (11) 2064-2072 doi:10.2138/am.2012.603

(2023) Litochlebite. Handbook of Mineralogy. Mineralogical Society of America

Localities for LitochlebiteHide

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.


Brazil
Pará Curionópolis ⓘ Serra Pelada claims	Berni et al. (2014) +1 other reference

Czech Republic (TL)
Olomouc Region Jeseník District Javorník Zálesí ⓘ Zálesí uranium deposit (TL)	Sejkora et al. (2011)

Litochlebite

About LitochlebiteHide

Unique IdentifiersHide

IMA Classification of LitochlebiteHide

Classification of LitochlebiteHide

Mineral SymbolsHide

Physical Properties of LitochlebiteHide

Optical Data of LitochlebiteHide

Chemistry of LitochlebiteHide

Crystallography of LitochlebiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of LitochlebiteHide

Synonyms of LitochlebiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of LitochlebiteHide

Other InformationHide

Internet Links for LitochlebiteHide

References for LitochlebiteHide

Localities for LitochlebiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide