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Kudriavite
A valid IMA mineral species
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About Kudriavite
Summit of Kudriavy volcano
Kudriavy Volcano, Iturup Island, Kurilsky District, Kuril Islands, Sakhalin Oblast, Russia
Kudriavy Volcano, Iturup Island, Kurilsky District, Kuril Islands, Sakhalin Oblast, Russia
Formula:
(Cd,Pb)Bi2S4
Colour:
dark grey with a slightly reddish hue
Lustre:
Metallic
Specific Gravity:
6.58 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
For the Russian name of its type locality, Kudriavy volcano.
The Cd analogue of grumiplucite. One of 2 approved Cd-Bi-bearing minerals, with tazieffite being the other one.
Compare UM1993-16-S:CdInZn and UM1993-15-S:CdInZn.
Compare UM1993-16-S:CdInZn and UM1993-15-S:CdInZn.
Unique Identifiers
Mindat ID:
26708
Long-form identifier:
mindat:1:1:26708:1
IMA Classification of Kudriavite
Approved
IMA Formula:
(Cd2+,Pb2+)Bi3+2S2-4
Approval year:
2003
First published:
2005
Classification of Kudriavite
2.JA.05c
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
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 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 |
|---|---|---|
| Kdv | 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 Kudriavite
Metallic
Transparency:
Opaque
Colour:
Dark grey with a slightly reddish hue
Streak:
Black
Hardness:
VHN100=129 kg/mm2 - Vickers
Hardness Data:
Measured
Tenacity:
Very brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
6.58 g/cm3 (Calculated)
Optical Data of Kudriavite
Anisotropism:
strong
Bireflectance:
weak to distinct
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 21.0% | 30.3% |
| 420nm | 23.5% | 32.1% |
| 440nm | 26.1% | 33.8% |
| 460nm | 28.5% | 35.6% |
| 470nm | 29.6% | 36.4% |
| 480nm | 30.4% | 36.9% |
| 500nm | 31.5% | 37.9% |
| 520nm | 32.1% | 38.4% |
| 540nm | 32.3% | 38.7% |
| 546nm | 32.4% | 38.8% |
| 560nm | 32.3% | 38.7% |
| 580nm | 32.0% | 38.3% |
| 589nm | 31.8% | 38.2% |
| 600nm | 31.7% | 38.2% |
| 620nm | 31.6% | 38.1% |
| 640nm | 31.5% | 37.8% |
| 650nm | 31.4% | 37.7% |
| 660nm | 31.4% | 37.6% |
| 680nm | 31.3% | 37.5% |
| 700nm | 31.3% | 37.3% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 38.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
white with a slight yellow hue
Internal Reflections:
none
Pleochroism:
Non-pleochroic
Chemistry of Kudriavite
Mindat Formula:
(Cd,Pb)Bi2S4
Element Weights:
Elements listed:
Crystallography of Kudriavite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 13.095(1) Å, b = 4.0032(3) Å, c = 14.711(1) Å
β = 115.59°
β = 115.59°
Ratio:
a:b:c = 3.271 : 1 : 3.675
Unit Cell V:
695.5 ų
Z:
4
Crystal Structure
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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) |
|---|---|---|---|---|---|---|---|
| 0006143 | Kudriavite | Balic-Zunic T, Makovicky E (2007) The crystal structure of kudriavite, (Cd,Pb)Bi2S4 The Canadian Mineralogist 45 437-443 |  | 2007 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.715 Å | (m) |
| 3.632 Å | (m) |
| 3.520 Å | (s) |
| 3.274 Å | (s) |
| 3.169 Å | (m) |
| 2.948 Å | (s) |
| 2.809 Å | (s) |
| 2.346 Å | (m) |
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 Kudriavite
General Appearance of Type Material:
Platy opaque crystals up to 0.4x0.2x0.02 mm, which form chaotic aggregates in pores and fissures of the fumarolic crust.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, No. 3112/1.
Geological Setting of Type Material:
Volcanic fumaroles
Associated Minerals at Type Locality:
Synonyms of Kudriavite
Other Language Names for Kudriavite
Relationship of Kudriavite to other Species
Member of:
Other Members of Pavonite Homologous Series:
| Benjaminite | Ag3Bi7S12 | Mon. 2/m : B2/m |
| Cupromakopavonite | Ag3Cu8Pb4Bi19S38 | Mon. 2/m : B2/m |
| Cupromakovickyite | Cu4AgPb2Bi9S18 | Mon. 2/m : B2/m |
| Cupropavonite | Cu0.9Ag0.5Pb0.6Bi2.5S5 | Mon. 2/m : B2/m |
| Dantopaite | Ag5Bi13S22 | Mon. 2/m : B2/m |
| Graţianite | MnBi2S4 | Mon. 2/m : B2/m |
| Grumiplucite | HgBi2S4 | Mon. 2/m : B2/m |
| Luboržákite | Mn2AsSbS5 | Mon. 2/m : B2/m |
| Makovickyite | Cu1.12Ag0.81Pb0.27Bi5.35S9 | Mon. 2/m |
| Mummeite | Cu0.58Ag3.11Pb1.10Bi6.65S13 | Mon. |
| Pavonite | AgBi3S5 | Mon. 2/m : B2/m |
| Sunshuite | FeBi2S4 | Mon. 2/m : B2/m |
Common Associates
Associations Based on Photo Data:
| 3 photos of Kudriavite associated with Greenockite | CdS |
| 1 photo of Kudriavite associated with Mutnovskite | Pb4As2S6ICl |
| 1 photo of Kudriavite associated with Tazieffite | Pb20Cd2(As,Bi)22S50Cl10 |
| 1 photo of Kudriavite associated with Pyrite | FeS2 |
Related Minerals - Strunz-mindat Grouping
| 2.JA. | Ferdowsiite | Ag8(Sb5As3)S16 |
| 2.JA. | Luboržákite | Mn2AsSbS5 |
| 2.JA. | Sangenaroite | Ag8(Sb8-xAsx)SΣ16 |
| 2.JA.05a | Pavonite | AgBi3S5 |
| 2.JA.05b | Grumiplucite | HgBi2S4 |
| 2.JA.05d | Cupromakovickyite | Cu4AgPb2Bi9S18 |
| 2.JA.05e | Benjaminite | Ag3Bi7S12 |
| 2.JA.05i | Livingstonite | HgSb4S6(S2) |
| 2.JA.05h | Mozgovaite | PbBi4S7 |
| 2.JA.05 | Dantopaite | Ag5Bi13S22 |
| 2.JA.05a | Cupropavonite | Cu0.9Ag0.5Pb0.6Bi2.5S5 |
| 2.JA.05 | Selenodantopaite | Ag5Bi13Se22 |
| 2.JA.05g | Borodaevite | Ag5(Bi,Pb,Fe)8(Sb,Bi)2S17 |
| 2.JA.05a | Cupromakopavonite | Ag3Cu8Pb4Bi19S38 |
| 2.JA.05d | Makovickyite | Cu1.12Ag0.81Pb0.27Bi5.35S9 |
| 2.JA.05f | Mummeite | Cu0.58Ag3.11Pb1.10Bi6.65S13 |
| 2.JA.10b | Kupčíkite | Cu3.4Fe0.6Bi5S10 |
| 2.JA.10d | Pizgrischite | (Cu,Fe)Cu14PbBi17S35 |
| 2.JA.10c | Hodrušite | Cu8Bi12S22 |
| 2.JA.10a | Cuprobismutite | Cu8AgBi13S24 |
| 2.JA.10e | Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
| 2.JA.15 | Schapbachite | Ag0.4Pb0.2Bi0.4S |
| 2.JA.15 | Cuboargyrite | AgSbS2 |
| 2.JA.20 | Matildite | AgBiS2 |
| 2.JA.20 | Volynskite | AgBiTe2 |
| 2.JA.20 | Bohdanowiczite | AgBiSe2 |
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 Kudriavite
mindat.org URL:
https://www.mindat.org/min-26708.html
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References for Kudriavite
Localities for Kudriavite
Showing 2 localities.
symbol to view information about a locality.
The 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.
Russia | |
| American Mineralogist +2 other references |
| Chaplygin et al. (2005) +1 other reference |
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Mutnovsky volcano, Mutnovskoe, Yelizovsky District, Kamchatka Krai, Russia