Nordströmite
A valid IMA mineral species
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About Nordströmite
Formula:
CuPb3Bi7(Se4S10)
Colour:
Lead-grey
Hardness:
2 - 2½
Specific Gravity:
7.12 (Calculated)
Crystal System:
Monoclinic
Name:
Named in honor of Karl Fredrik Theodor Nordström (31 August 1843, Helsinki, Finland - 30 June 1920, Stockholm Co. Sweden), mining engineer who first studied the sulfosalts from Falun. He worked at the Geological Survey of Sweden, taught at the Stockholm Institute of Technology, and later was governor of Örebro County.
Type Locality:
This page provides mineralogical data about Nordströmite.
Unique Identifiers
Mindat ID:
2931
Long-form identifier:
mindat:1:1:2931:1
GUID
(UUID V4):
(UUID V4):
4cf5f1fb-20b1-41a2-b7f1-e04e2b5cd05c
IMA Classification of Nordströmite
Approved
IMA Formula:
Pb3CuBi7(S,Se)14
Approval year:
1978
First published:
1980
Classification of Nordströmite
2.JB.25c
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb
3.7.13.1
3 : SULFOSALTS
7 : ø = 2
3 : SULFOSALTS
7 : ø = 2
5.7.15
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
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 |
---|---|---|
Nsm | 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 Nordströmite
Transparency:
Opaque
Colour:
Lead-grey
Hardness:
2 - 2½ on Mohs scale
Hardness:
VHN25=130 - 143 kg/mm2 - Vickers
Cleavage:
Distinct/Good
Good cleavage parallel to elongation. Fibrous appearance.
Good cleavage parallel to elongation. Fibrous appearance.
Density:
7.12 g/cm3 (Calculated)
Optical Data of Nordströmite
Anisotropism:
Dark grey to brown
Bireflectance:
Not noticeable
Colour in reflected light:
White with grey tinge (in contrast to wittite)
Chemistry of Nordströmite
Mindat Formula:
CuPb3Bi7(Se4S10)
Crystallography of Nordströmite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Setting:
P21/m
Cell Parameters:
a = 17.97(8) Å, b = 4.11(2) Å, c = 17.62(8) Å
β = 94.3(2)°
β = 94.3(2)°
Ratio:
a:b:c = 4.372 : 1 : 4.287
Unit Cell V:
1,297.69 ų (Calculated from Unit Cell)
Z:
2
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.066 Å | (10) |
2.242 Å | (7) |
3.583 Å | (5) |
3.882 Å | (3b) |
3.484 Å | (3) |
3.427 Å | (3) |
3.012 Å | (3) |
Geological Environment
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 Nordströmite
General Appearance of Type Material:
Fibrous, to 3.5 mm
Place of Conservation of Type Material:
Royal Ontario Museum, Toronto, Canada, M12992.
Associated Minerals at Type Locality:
Reference:
Mumme, W.G. (1980) Seleniferous lead- bismuth sulphosalts from Falun, Sweden: weibullite, wittite, and nordströmite. The American Mineralogist: 65: 789-796.
Synonyms of Nordströmite
Other Language Names for Nordströmite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
2.JB. | Senandorite | AgPbSb3S6 |
2.JB. | Oscarkempffite | Ag10Pb4(Sb17Bi9)S48 |
2.JB. | Chukotkaite | AgPb7Sb5S15 |
2.JB. | Arsenquatrandorite | Ag17.6Pb12.8Sb38.1As11.5S96 |
2.JB. | Clino-oscarkempffite | Ag15Pb6Sb21Bi18S72 |
2.JB. | Andreadiniite | CuHgAg7Pb7Sb24S48 |
2.JB. | Ginelfite | Ag2(Ag0.5Fe)TlPb23.5(Sb,As)33.5S76 |
2.JB. | Lazerckerite | Ag3.75Pb4.50(Sb7.75Bi4)S24 |
2.JB. | Lasmanisite | Ag12Pb13Mn11Sb44S96 |
2.JB. | Montpelvouxite | AgPb16Sb27As18S84 |
2.JB. | Selenojunoite | Cu2Pb3Bi8Se16 |
2.JB.05 | Diaphorite | Ag3Pb2Sb3S8 |
2.JB.10 | Cosalite | Pb2Bi2S5 |
2.JB.15 | Freieslebenite | AgPbSbS3 |
2.JB.15 | Marrite | AgPbAsS3 |
2.JB.20 | Cannizzarite | Pb48Bi56S132 |
2.JB.20 | Wittite | Pb9Bi12(S,Se)27 |
2.JB.25a | Junoite | Cu2Pb3Bi8(S,Se)16 |
2.JB.25i | Neyite | Ag2Cu6Pb25Bi26S68 |
2.JB.25g | Nuffieldite | Cu1.4Pb2.4Bi2.4Sb0.2S7 |
2.JB.25d | Proudite | CuPb7.5Bi9.33(S,Se)22 |
2.JB.25h | Weibullite | Pb5Bi8Se7S11 |
2.JB.25b | Felbertalite | Cu2Pb6Bi8S19 |
2.JB.25j | Rouxelite | Cu2HgPb23Sb27S65.5 |
2.JB.25f | Ángelaite | Cu2AgPbBiS4 |
2.JB.25i | Cuproneyite | Cu7Pb27Bi25S68 |
2.JB.30a | Geocronite | Pb14Sb6S23 |
2.JB.30a | Jordanite | Pb14As6S23 |
2.JB.30b | Kirkiite | Pb10Bi3As3S19 |
2.JB.30c | Tsugaruite | Pb28As15S50Cl |
2.JB.30a | Marcobaldiite | Pb12(Sb3As2Bi)Σ6S21 |
2.JB.30a | Arsenmarcobaldiite | Pb12(As3.2Sb2.8)Σ6S21 |
2.JB.35c | Pillaite | Pb9Sb10S23ClO0.5 |
2.JB.35a | Zinkenite | Pb9Sb22S42 |
2.JB.35b | Scainiite | Pb14Sb30S54O5 |
2.JB.35d | Pellouxite | (Cu,Ag)Pb10Sb12S27O(Cl,S)0.6 |
2.JB.35f | Tubulite | Ag2Pb22Sb20S53 |
2.JB.35e | Chovanite | Pb15-2xSb14+2xS36Ox (x ~ 0.2) |
2.JB.40b | Aschamalmite | Pb6-3xBi2+xS9 |
2.JB.40a | Bursaite | Pb5Bi4S11 (?) |
2.JB.40b | Eskimoite | Ag7Pb10Bi15S36 |
2.JB.40a | Fizélyite | Ag5Pb14Sb21S48 |
2.JB.40a | Gustavite | AgPbBi3S6 |
2.JB.40a | Lillianite | Pb3-2xAgxBi2+xS6 |
2.JB.40c | Ourayite | Ag3Pb4Bi5S13 |
2.JB.40a | Ramdohrite | Pb5.9Fe0.1Mn0.1In0.1Cd0.2Ag2.8Sb10.8S24 |
2.JB.40a | Roshchinite | Ag19Pb10Sb51S96 |
2.JB.40d | Schirmerite | PbAgBi3S6 - Pb3Ag1.5Bi3.5S9 |
2.JB.40a | Treasurite | Ag7Pb6Bi15S32 |
2.JB.40a | Uchucchacuaite | AgMnPb3Sb5S12 |
2.JB.40e | Ustarasite | Pb(Bi,Sb)6S10 (?) |
2.JB.40a | Vikingite | Ag5Pb8Bi13S30 |
2.JB.40a | Xilingolite | Pb3Bi2S6 |
2.JB.40b | Heyrovskýite | Pb6Bi2S9 |
2.JB.40 | UM1988-05-S:AgBiCuHgPb | (Hg,Ag,Cu,Pb)5Pb5Bi11S27 |
2.JB.40 | UM1988-06-S:AgBiCuHgPb | (Pb,Hg)12(Cu,Ag)3(Bi,Sb)10(S,Te)27 |
2.JB.40a | Quatrandorite | AgPbSb3S6 |
2.JB.40a | Menchettiite | AgPb2.40Mn1.60Sb3As2S12 |
2.JB.40a | Terrywallaceite | AgPb(Sb,Bi)3S6 |
2.JB.40a | Jasrouxite | Ag16Pb4(Sb24As16)S72 |
2.JB.40a | Erzwiesite | Ag8Pb12Bi16S40 |
2.JB.40a | Staročeskéite | Ag0.70Pb1.60(Bi1.35Sb1.35)Σ2.70S6 |
2.JB.40a | Oyonite | Ag3Mn2Pb4Sb7As4S24 |
2.JB.40a | Holubite | Ag3Pb6(Sb8Bi3)S24 |
2.JB.40b | Baiamareite | Ag4Pb12Fe4Sb20S48 |
2.JB.55 | Gratonite | Pb9As4S15 |
2.JB.60 | Marrucciite | Hg3Pb16Sb18S46 |
2.JB.65 | Vurroite | Pb20Sn2(Bi,As)22S54Cl6 |
2.JB.65 | Tazieffite | Pb20Cd2(As,Bi)22S50Cl10 |
2.JB.70 | Daliranite | PbHgAs2S5 |
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 Nordströmite
mindat.org URL:
https://www.mindat.org/min-2931.html
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References for Nordströmite
Reference List:
Localities for Nordströmite
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).
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.
All localities listed without proper references should be considered as questionable.
Czech Republic | |
| |
Sweden (TL) | |
| American Mineralogist (1980) |
USA | |
| Anthony et al. (1995) |
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Johnny Lyon Hills, Yellowstone Mining District, Cochise County, Arizona, USA