Giessenite
A valid IMA mineral species
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About Giessenite
Formula:
Pb27Cu2(Bi,Sb)19S57
Colour:
Greyish-black
Lustre:
Metallic
Hardness:
2½
Specific Gravity:
7.45 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For the type locality.
Type Locality:
Giessenite-Izoklakeite Series.
"There is apparently a quasi-continuous solid solution from giessenite to izoklakeite with increasing Sb/Bi ratio, which is nevertheless always < 1 except for izoklakeite of the type locality (∼ 1.04). The main difference is that the monoclinic symmetry of giessenite (Bi-rich) changes to orthorhombic in izoklakeite (Sb-rich) (Makovicky & Karup-Møller, 1986). The exact Sb/Bi ratio at which the symmetry changes is unknown." (Moëlo et al., 2008)
"There is apparently a quasi-continuous solid solution from giessenite to izoklakeite with increasing Sb/Bi ratio, which is nevertheless always < 1 except for izoklakeite of the type locality (∼ 1.04). The main difference is that the monoclinic symmetry of giessenite (Bi-rich) changes to orthorhombic in izoklakeite (Sb-rich) (Makovicky & Karup-Møller, 1986). The exact Sb/Bi ratio at which the symmetry changes is unknown." (Moëlo et al., 2008)
Unique Identifiers
Mindat ID:
1690
Long-form identifier:
mindat:1:1:1690:8
IMA Classification of Giessenite
Approved
IMA Formula:
(Cu,Fe)2Pb26.4(Bi,Sb)19.6S57
First published:
1963
Classification of Giessenite
2.HB.10b
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
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
3.5.12.2
3 : SULFOSALTS
5 : 2.5 < ø < 3
3 : SULFOSALTS
5 : 2.5 < ø < 3
5.6.27
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
6 : Sulpharsenites etc. of Pb alone
Mineral Symbols
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 |
|---|---|---|
| Gie | 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 Giessenite
Metallic
Transparency:
Opaque
Colour:
Greyish-black
Streak:
Grayish black
Hardness:
2½ on Mohs scale
Hardness:
VHN100=65 - Vickers
Density:
7.45 g/cm3 (Calculated)
Chemistry of Giessenite
Mindat Formula:
Pb27Cu2(Bi,Sb)19S57
Element Weights:
Common Impurities:
Fe
Crystallography of Giessenite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 34.62(3) Å, b = 38.18(5) Å, c = 4.080(8) Å
β = 90.33(5)°
β = 90.33(5)°
Ratio:
a:b:c = 0.907 : 1 : 0.107
Unit Cell V:
5,392.82 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Fine needles to 1.5 mm.
Twinning:
Intimately on (100)
Comment:
Space group P21/n. Pseudo-orthorhombic. Cell also given as a = 34.51(3), b = 38.18(5), c = 4.080(8), β = 90.33(5)°.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3 62 Å | (100) |
| 3.32 Å | (50) |
| 3.15 Å | (50) |
| 2.49 Å | (40) |
| 1.75 Å | (40) |
Geological Environment
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 Giessenite
Place of Conservation of Type Material:
Natural History Museum, Basel, Switzerland, SG393.
Geological Setting of Type Material:
Hydrothermal
Associated Minerals at Type Locality:
Synonyms of Giessenite
Other Language Names for Giessenite
Relationship of Giessenite to other Species
Member of:
Other Members of Kobellite Homologous Series:
| Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| Kobellite | Pb22Cu4(Bi,Sb)30S69 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| Tintinaite | Pb22Cu4(Sb,Bi)30S69 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Forms a series with:
Related Minerals - Strunz-mindat Grouping
| 2.HB. | Barikaite | Ag3Pb10(Sb8As11)S40 |
| 2.HB. | Carducciite | (Ag2Sb2)Pb12(As,Sb)16S40 |
| 2.HB. | Sardashtite | Ag9Cu2.5Pb41Sb36.5As7S112 |
| 2.HB. | Interliveingite | AgPb18As25S56 |
| 2.HB. | Reckibachite | Ag2Pb12As14Sb4S40 |
| 2.HB.05a | Salzburgite | Pb1.6Cu1.6Bi6.4S12 |
| 2.HB.05a | Hammarite | Pb2Cu2Bi4S9 |
| 2.HB.05c | Jaskólskiite | CuxPb2+x(Sb,Bi)2-xS5 (x ~ 0.15) |
| 2.HB.05 | 'UM1990-54-Se:BiCuPb' | CuPb(Ni,Co)0.3Bi3Se6 |
| 2.HB.05a | Aikinite | PbCuBiS3 |
| 2.HB.05a | Pekoite | PbCuBi11S18 |
| 2.HB.05a | Friedrichite | Pb5Cu5Bi7S18 |
| 2.HB.05b | Meneghinite | Pb13CuSb7S24 |
| 2.HB.05a | Paarite | Pb1.7Cu1.7Bi6.3S12 |
| 2.HB.05a | Lindströmite | Pb3Cu3Bi7S15 |
| 2.HB.05a | Emilite | Pb2.7Cu2.7Bi5.3S12 |
| 2.HB.05a | Gladite | PbCuBi5S9 |
| 2.HB.05a | Krupkaite | PbCuBi3S6 |
| 2.HB.05 | 'UM2000-46-S:BiCuPb' | Cu0.33Pb0.33Bi7.67S12 |
| 2.HB.10b | Izoklakeite | Pb27(Cu,Fe,Ag)2(Sb,Bi)19S57 |
| 2.HB.10c | Eclarite | (Cu,Fe)Pb9Bi12S28 |
| 2.HB.10a | Tintinaite | Pb22Cu4(Sb,Bi)30S69 |
| 2.HB.10a | Kobellite | Pb22Cu4(Bi,Sb)30S69 |
| 2.HB.15 | Jamesonite | Pb4FeSb6S14 |
| 2.HB.15 | Benavidesite | Pb4MnSb6S14 |
| 2.HB.20a | Nagyágite | [Pb3(Pb,Sb)3S6](Au,Te)3 |
| 2.HB.20b | Buckhornite | AuPb2BiTe2S3 |
| 2.HB.20e | Luxembourgite | AgCuPbBi4Se8 |
| 2.HB.20b | Jaszczakite | [Bi3S3][AuS2] |
| 2.HB.20d | Berryite | Cu3Ag2Pb3Bi7S16 |
| 2.HB.20e | Watkinsonite | Cu2PbBi4(Se,S,Te)8 |
| 2.HB.20c | Museumite | [Pb2(Pb,Sb)2S8][(Te,Au)2] |
| 2.HB.20e | Litochlebite | Ag2PbBi4Se8 |
| 2.HB.25 | Meerschautite | (Ag,Cu)6Pb43-2xSb44+2xS112Ox (x ~0.5) |
Other Information
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 Giessenite
mindat.org URL:
https://www.mindat.org/min-1690.html
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References for Giessenite
Reference List:
Karup-Møller, S (1973) A giessenite-cosalite-galena-bearing mineral suite from the Bjørkåsen sulphide deposit at Ofoten in northern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 53 (1) 41-64
Moëlo, Y., Roger, G., Maurel-Palacin, D., Marcoux, E., Laroussi, A. (1995) Chemistry of some Pb-(Cu, Fe)-(Sb, Bi sulfosalts from France and Portugal. Implications for the crystal chemistry of lead sulfosalts in the Cu-poor part of the Pb2S2-Cu2S-Sb2S3-Bi2-Bi2S3 system. Mineralogy and Petrology, 53 (4) 229-250 doi:10.1007/bf01160149
Localities for Giessenite
Showing 31 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Argentina | |
| Jovic et al. (2011) |
Austria | |
| Pichler (2009) |
| Pichler (2009) +1 other reference |
| Niedermayr et al. (1995) |
China | |
| Pašava et al. (2003) |
| Li et al. (2019) |
| Yingchen Ren (1999) |
Italy | |
| Ciriotti et al. (2019) |
| Bindi et al. (2016) | |
| Orlandi (2007) +1 other reference |
Japan | |
| Ozawa et al. (1998) |
Kosovo | |
| Kołodziejczyk et al. (2017) |
Norway | |
| Karup-Møller (1973) +1 other reference |
| Husdal (2023) | |
Poland | |
| Gołębiowska et al. (2006) +2 other references |
| Piestrzela (2019) |
Romania | |
| Cook (1998) |
Russia | |
| Redin et al. (2015) +2 other references |
| Redin et al. (2015) | |
| Gvozdev et al. (2020) | |
Slovakia | |
| Koděra (1986) |
| Pršek et al. (2004) |
| Ozdín D. & Pršek J. |
| Kúšik et al. (2021) |
| Števko et al. (2021) |
| Pauliš et al. (2002) |
Sweden | |
| Mineralogical Society of America - ... |
Switzerland (TL) | |
| Graeser (1963) |
| Stalder et al. (1998) |
USA | |
| Dr. Frank Keutsch analysis. |
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The
Vena Mines, Hammar, Askersund, Örebro County, Sweden