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Pizgrischite

A valid IMA mineral species

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Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

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About PizgrischiteHide

View towards the type locality

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Formula:

(Cu,Fe)Cu₁₄PbBi₁₇S₃₅

Colour:

Lead grey

Lustre:

Metallic

Hardness:

3 - 3½

Specific Gravity:

6.58 (Calculated)

Crystal System:

Monoclinic

Name:

Named after type locality.

Type Locality:

ⓘ Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Pizgrischite belongs to the cuprobismutite series of bismuth sulfosalts but, sensu stricto, it is not a homologue of cuprobismutite.

Unique IdentifiersHide

Mindat ID:

11109

Long-form identifier:

mindat:1:1:11109:2

IMA Classification of PizgrischiteHide

IMA status:

Approved

IMA Formula:

(Cu¹⁺,Fe²⁺)Cu¹⁺₁₄Pb²⁺Bi³⁺₁₇S^2-₃₄

Approval year:

2001

First published:

2007

Type description reference:

Meisser, N., Schenk, K., Berlepsch, P., Brugger, J., Bonin, M., Criddle, A. J., Thelin, P., Bussy, F. (2007) Pizgrischite, (Cu,Fe)Cu₁₄PbBi₁₇S₃₅, a new sulfosalt from the Swiss Alps: Description, crystal structure and occurrence. The Canadian Mineralogist, 45 (5) 1229-1245 doi:10.2113/gscanmin.45.5.1229

Classification of PizgrischiteHide

Strunz-mindat (2026):

2.JA.10d

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb

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 for Standard
Piz	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 PizgrischiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Lead grey

Streak:

Grey-black

Hardness:

3 - 3½ on Mohs scale

Hardness:

VHN₁₀₀=174 - 202 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

Perfect
Perfect on (001) and well-developed on (010)

Density:

6.58 g/cm³ (Calculated)

Optical Data of PizgrischiteHide

Anisotropism:

Weak

Reflectivity:

Wavelength	R₁ (%)	R₂ (%)	^imR₁ (%)	^imR₂ (%)
400nm	39.9%	40.8%	24.80%	25.80%
420nm	40.2%	41.2%	25.00%	26.00%
440nm	40.4%	41.5%	25.05%	26.20%
460nm	40.6%	42.0%	25.20%	26.50%
470nm	40.7%	42.1%	25.30%	26.75%
480nm	40.8%	42.4%	25.35%	27.00%
500nm	41.0%	42.7%	25.40%	27.15%
520nm	41.1%	42.9%	25.40%	27.25%
540nm	41.1%	43.0%	25.45%	27.40%
546nm	41.2%	43.1%	25.40%	27.40%
560nm	41.1%	43.1%	25.40%	27.45%
580nm	41.1%	43.1%	25.30%	27.45%
589nm	41.2%	43.3%	25.40%	27.50%
600nm	41.1%	43.2%	25.30%	27.55%
620nm	41.1%	43.4%	25.25%	27.55%
640nm	40.9%	43.4%	25.05%	27.60%
650nm	40.7%	43.3%	25.00%	27.55%
660nm	40.5%	43.2%	24.85%	27.50%
680nm	40.3%	43.1%	24.70%	27.30%
700nm	40.1%	43.0%	24.60%	27.15%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 43.4%.
R₁ shown in black, R₂ shown in red, ^imR₁ shown in green, ^imR₂ shown in blue

Colour in reflected light:

Dark brown (in oil with ND=1.515)

Internal Reflections:

None observed

Chemistry of PizgrischiteHide

Mindat Formula:

(Cu,Fe)Cu₁₄PbBi₁₇S₃₅

Element Weights:

Element	% weight
Bi	60.882 %
S	19.232 %
Cu	16.335 %
Pb	3.551 %

Calculated from ideal end-member formula.

Elements listed:

Bi, Cu, Fe, Pb, S - search for minerals with similar chemistry

Crystallography of PizgrischiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 35.054(2) Å, b = 3.91123(1) Å, c = 43.192(2) Å
β = 96.713(4)°

Ratio:

a:b:c = 8.962 : 1 : 11.043

Unit Cell V:

5,881.21 Å³ (Calculated from Unit Cell)

Twinning:

Abundant polysynthetic twinning on (010).

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)
0006155	Pizgrischite	Meisser N, Schenk K, Berlepsch P, Brugger J, Bonin M, Criddle A J, Thelin P, Bussy F (2007) Pizgrischite, (Cu,Fe)Cu14PbBi17S35, a new sulfosalt from the Swiss Alps: Description, crystal structure and occurrence The Canadian Mineralogist 45 1229-1245		2007	Piz Grisch Mountain, Val Ferrera, Graubunden, Switzerland	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Pizgrischite'
loop_
_publ_author_name
'Meisser N'
'Schenk K'
'Berlepsch P'
'Brugger J'
'Bonin M'
'Criddle A J'
'Thelin P'
'Bussy F'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 45 
_journal_year 2007
_journal_page_first 1229
_journal_page_last 1245
_publ_section_title
;
 Pizgrischite, (Cu,Fe)Cu14PbBi17S35, a new sulfosalt from the Swiss Alps:
 Description, crystal structure and occurrence
;
_database_code_amcsd 0006155
_chemical_compound_source 'Piz Grisch Mountain, Val Ferrera, Graubunden, Switzerland'
_chemical_formula_sum 'Pb Bi17 Cu14.77 Fe.23 S35'
_cell_length_a 35.095
_cell_length_b 3.9067
_cell_length_c 43.222
_cell_angle_alpha 90
_cell_angle_beta 96.71
_cell_angle_gamma 90
_cell_volume 5885.388
_exptl_crystal_density_diffrn      6.584
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-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   0.87808   0.50000   0.28981   1.00000   0.03740
Bi1   0.83272   0.50000   0.43024   1.00000   0.01870
Bi2   0.43533   0.50000   0.43755   1.00000   0.02060
Bi3   0.48725   0.50000   0.29006   1.00000   0.02020
Bi4   0.22486   0.50000   0.41883   1.00000   0.01990
Bi5   0.54122   0.50000   0.39190   1.00000   0.01920
Bi6   0.77605   0.50000   0.33146   1.00000   0.02560
Bi7   0.07211   0.50000   0.10866   1.00000   0.02020
Bi8   0.11792   0.50000   0.46427   1.00000   0.02200
Bi9   0.29783   0.50000   0.15429   1.00000   0.01940
Bi10   0.35170   0.50000   0.06782   1.00000   0.01980
Bi11   0.62900   0.50000   0.03831   1.00000   0.02000
Bi12   0.09069   0.50000   0.29255   1.00000   0.02310
Bi13   0.71726   0.00000   0.25356   1.00000   0.02510
Bi14   0.95322   0.50000   0.06212   1.00000   0.02100
Bi15   0.40889   0.50000   0.20603   1.00000   0.01950
Bi16   0.11495   0.50000   0.20713   1.00000   0.02190
Bi17   0.74597   0.50000   0.07344   1.00000   0.02490
Cu1   0.81357   0.50000   0.23153   1.00000   0.02860
Cu2   0.53261   0.50000   0.03173   1.00000   0.03150
Cu3   0.63631   0.50000   0.38674   1.00000   0.03410
Cu4   0.28162   0.50000   0.49869   1.00000   0.03260
Cu5   0.70395   0.50000   0.18146   1.00000   0.02710
Cu6   0.94277   0.50000   0.35623   1.00000   0.03980
Cu7   0.16616   0.50000   0.12222   1.00000   0.02760
Cu8   0.02411   0.50000   0.46870   1.00000   0.03140
Cu9A   0.68110   0.50000   0.32360   0.43000   0.02900
Cu9B   0.67240   0.50000   0.30710   0.57000   0.02700
Cu10   0.48048   0.50000   0.14103   1.00000   0.05100
Cu11   0.91850   0.50000   0.13739   1.00000   0.05500
Cu12   0.00502   0.50000   0.22807   1.00000   0.03870
Cu13   0.37489   0.50000   0.36494   1.00000   0.04090
Cu14   0.52719   0.50000   0.19096   1.00000   0.05400
Cu15   0.78546   0.50000   0.00309   0.77000   0.03950
Fe15   0.78546   0.50000   0.00309   0.23000   0.03950
S1   0.67320   0.00000   0.17639   1.00000   0.01600
S2   0.32970   0.50000   0.53890   1.00000   0.01900
S3   0.28790   0.50000   0.39290   1.00000   0.01800
S4   0.10870   0.50000   0.40303   1.00000   0.01400
S5   0.55160   0.50000   0.45275   1.00000   0.01500
S6   0.76870   0.50000   0.18690   1.00000   0.01800
S7   0.98990   0.50000   0.39650   1.00000   0.01900
S8   0.65590   0.50000   0.25090   1.00000   0.01800
S9   0.58270   0.50000   0.16938   1.00000   0.01500
S10   0.03030   0.50000   0.32290   1.00000   0.01800
S11   0.54040   0.50000   0.24530   1.00000   0.02000
S12   0.87340   0.50000   0.17144   1.00000   0.01300
S13   0.71130   0.00000   0.31240   1.00000   0.01300
S14   0.68270   0.00000   0.03947   1.00000   0.01400
S15   0.32800   0.50000   0.32400   1.00000   0.01700
S16   0.88180   0.50000   0.03350   1.00000   0.01800
S17   0.61670   0.50000   0.33010   1.00000   0.01900
S18   0.51850   0.50000   0.10135   1.00000   0.01600
S19   0.42920   0.50000   0.32849   1.00000   0.01600
S20   0.77230   0.50000   0.47050   1.00000   0.02200
S21   0.46610   0.50000   0.02390   1.00000   0.01700
S22   0.98420   0.50000   0.17420   1.00000   0.02100
S23   0.70080   0.50000   0.38050   1.00000   0.01700
S24   0.81500   0.50000   0.10498   1.00000   0.01600
S25   0.28150   0.50000   0.03200   1.00000   0.01600
S26   0.63730   0.50000   0.09910   1.00000   0.01900
S27   0.77150   0.50000   0.26870   1.00000   0.01700
S28   0.95930   0.50000   0.47570   1.00000   0.01800
S29   0.35160   0.50000   0.23875   1.00000   0.01600
S30   0.88750   0.50000   0.39250   1.00000   0.01600
S31   0.06620   0.50000   0.04750   1.00000   0.02100
S32   0.42090   0.50000   0.10950   1.00000   0.02400
S33   0.94400   0.50000   0.25240   1.00000   0.02100
S34   0.37280   0.50000   0.46547   1.00000   0.01600
S35   0.23210   0.50000   0.11510   1.00000   0.01900
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 0.02620 0.04930 0.03500 0.00000 -0.00400 0.00000
Bi1 0.01070 0.01490 0.02920 0.00000 -0.00290 0.00000
Bi2 0.01120 0.01900 0.02990 0.00000 -0.00420 0.00000
Bi3 0.01430 0.01420 0.03010 0.00000 -0.00570 0.00000
Bi4 0.01210 0.01720 0.02910 0.00000 -0.00270 0.00000
Bi5 0.01160 0.01720 0.02730 0.00000 -0.00430 0.00000
Bi6 0.01410 0.02800 0.03260 0.00000 -0.00580 0.00000
Bi7 0.01420 0.01910 0.02550 0.00000 -0.00510 0.00000
Bi8 0.01480 0.02070 0.02880 0.00000 -0.00460 0.00000
Bi9 0.01270 0.01460 0.02910 0.00000 -0.00560 0.00000
Bi10 0.01490 0.01440 0.02940 0.00000 -0.00090 0.00000
Bi11 0.01130 0.01880 0.02810 0.00000 -0.00490 0.00000
Bi12 0.01710 0.01970 0.03070 0.00000 -0.00540 0.00000
Bi13 0.02460 0.02010 0.02830 0.00000 -0.00710 0.00000
Bi14 0.01250 0.02060 0.02870 0.00000 -0.00240 0.00000
Bi15 0.01360 0.01530 0.02760 0.00000 -0.00640 0.00000
Bi16 0.01210 0.02180 0.03040 0.00000 -0.00310 0.00000
Bi17 0.01150 0.03070 0.03050 0.00000 -0.00590 0.00000
Cu1 0.01700 0.02800 0.03900 0.00000 -0.00400 0.00000
Cu2 0.01700 0.02600 0.04800 0.00000 -0.01100 0.00000
Cu3 0.02200 0.02400 0.05700 0.00000 0.00700 0.00000
Cu4 0.02800 0.02500 0.04100 0.00000 -0.01200 0.00000
Cu5 0.01400 0.01900 0.04800 0.00000 0.00200 0.00000
Cu6 0.03800 0.02600 0.04900 0.00000 -0.02200 0.00000
Cu7 0.01600 0.03000 0.03500 0.00000 -0.00500 0.00000
Cu8 0.02600 0.02600 0.04300 0.00000 0.00700 0.00000
Cu10 0.03000 0.07500 0.04600 0.00000 -0.00200 0.00000
Cu11 0.09000 0.02100 0.06400 0.00000 0.04500 0.00000
Cu12 0.04100 0.02900 0.04200 0.00000 -0.01300 0.00000
Cu13 0.05100 0.02300 0.04100 0.00000 -0.02700 0.00000
Cu14 0.02800 0.08800 0.04600 0.00000 0.00100 0.00000
Cu15 0.06200 0.02500 0.03300 0.00000 0.01200 0.00000
Fe15 0.06200 0.02500 0.03300 0.00000 0.01200 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
5.36 Å	(40)
4.08 Å	(50)
3.904 Å	(37)
3.585 Å	(34)
3.120 Å	(40)
3.104 Å	(68)
2.759 Å	(53)
2.752 Å	(44)
1.956 Å	(100)

Locality:

Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

Reference:

Geological EnvironmentHide

Paragenetic Mode(s):

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

Type Occurrence of PizgrischiteHide

Type Locality:

ⓘ Piz Grisch, Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland

General Appearance of Type Material:

Thin lead-grey blades up to 1 cm, embedded in quartz.

Place of Conservation of Type Material:

Two holotype specimens: Museum of Geology, Lausanne (MGL), Switzerland. Sample MGL 58622 (isolated crystals) and sample MGL 53660 (polished
section).
Cotype: British Museum of Natural History, London, England.

Geological Setting of Type Material:

Quartz vein embedded in gneisses.

Associated Minerals at Type Locality:

'Aikinite-Bismuthinite Series'	Chalcopyrite	Emplectite	Pyrite	Sphalerite
Tetrahedrite Subgroup

Reference:

Synonyms of PizgrischiteHide

IMA2001-002

Other Language Names for PizgrischiteHide

Dutch:Pizgrischiet

German:Pizgrischit

Related Minerals - Strunz-mindat Grouping Hide

2.JA.	Ferdowsiite	Ag₈(Sb₅As₃)S₁₆	Mon. 2/m : P2₁/b
2.JA.	Luboržákite	Mn₂AsSbS₅	Mon. 2/m : B2/m
2.JA.	Sangenaroite	Ag₈(Sb_8-xAs_x)S_Σ16	Mon. 2/m
2.JA.05a	Pavonite	AgBi₃S₅	Mon. 2/m : B2/m
2.JA.05b	Grumiplucite	HgBi₂S₄	Mon. 2/m : B2/m
2.JA.05c	Kudriavite	(Cd,Pb)Bi₂S₄	Mon. 2/m : B2/m
2.JA.05d	Cupromakovickyite	Cu₄AgPb₂Bi₉S₁₈	Mon. 2/m : B2/m
2.JA.05e	Benjaminite	Ag₃Bi₇S₁₂	Mon. 2/m : B2/m
2.JA.05i	Livingstonite	HgSb₄S₆(S₂)	Mon. 2/m : B2/b
2.JA.05h	Mozgovaite	PbBi₄S₇	Orth. mmm(2/m2/m2/m)
2.JA.05	Dantopaite	Ag₅Bi₁₃S₂₂	Mon. 2/m : B2/m
2.JA.05a	Cupropavonite	Cu_0.9Ag_0.5Pb_0.6Bi_2.5S₅	Mon. 2/m : B2/m
2.JA.05	Selenodantopaite	Ag₅Bi₁₃Se₂₂	Mon. 2/m : B2/m
2.JA.05g	Borodaevite	Ag₅(Bi,Pb,Fe)₈(Sb,Bi)₂S₁₇	Mon.
2.JA.05a	Cupromakopavonite	Ag₃Cu₈Pb₄Bi₁₉S₃₈	Mon. 2/m : B2/m
2.JA.05d	Makovickyite	Cu_1.12Ag_0.81Pb_0.27Bi_5.35S₉	Mon. 2/m
2.JA.05f	Mummeite	Cu_0.58Ag_3.11Pb_1.10Bi_6.65S₁₃	Mon.
2.JA.10b	Kupčíkite	Cu_3.4Fe_0.6Bi₅S₁₀	Mon. 2/m : B2/m
2.JA.10c	Hodrušite	Cu₈Bi₁₂S₂₂	Mon. 2/m
2.JA.10a	Cuprobismutite	Cu₈AgBi₁₃S₂₄	Mon. 2/m : B2/m
2.JA.10e	Padĕraite	Cu₇[(Cu,Ag)_0.33Pb_1.33Bi_11.33]S₂₂	Mon. 2/m : P2₁/m
2.JA.15	Schapbachite	Ag_0.4Pb_0.2Bi_0.4S	Iso. m3m(4/m32/m) : Fm3m
2.JA.15	Cuboargyrite	AgSbS₂	Iso. m3m(4/m32/m)
2.JA.20	Matildite	AgBiS₂	Trig. 32 : P3₁21
2.JA.20	Volynskite	AgBiTe₂	Trig. 3m(32/m) : P3m1
2.JA.20	Bohdanowiczite	AgBiSe₂	Trig. 3m(32/m) : P3m1

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 PizgrischiteHide

mindat.org URL:

https://www.mindat.org/min-11109.html
Please feel free to link to this page.

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External Links:

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Look for Pizgrischite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Mineral Dealers:

Buy from D. Joyce minerals

References for PizgrischiteHide

Reference List:

Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp.

Meisser, N. (2007) Ein neues Mineral aus Graubünden. Schweizer Strahler: 2/2007: 14-17.

Localities for PizgrischiteHide

Showing 1 localities.

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.

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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.

Switzerland (TL)

Grisons

Viamala Region

Ferrera

Ausserferrera

ⓘ Piz Grisch (TL)

Roth (2007) +1 other reference

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Pizgrischite

About PizgrischiteHide

Unique IdentifiersHide

IMA Classification of PizgrischiteHide

Classification of PizgrischiteHide

Mineral SymbolsHide

Physical Properties of PizgrischiteHide

Optical Data of PizgrischiteHide

Chemistry of PizgrischiteHide

Crystallography of PizgrischiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of PizgrischiteHide

Synonyms of PizgrischiteHide

Other Language Names for PizgrischiteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for PizgrischiteHide

References for PizgrischiteHide

Localities for PizgrischiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide