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Kudriavite

Big Photo

Kudriavy (Kudryavyi) volcano, Iturup Island, Kuril Islands, Maritime Province, Sakhalinskaya Oblast', Far-Eastern Region, Russia
© Pavel M. Kartashov

Formula:
(Cd,Pb)Bi
 
2
S
 
4
System:MonoclinicColour:dark grey with a ...
Name:For the Russian name of its type locality, Kudriavy volcano.
This page provides mineralogical data about Kudriavite.

Classification of Kudriavite

IMA status:Approved 2003
Strunz 8th edition ID:2/E.34-03
Nickel-Strunz 10th (pending) edition ID: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
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Type Occurrence of Kudriavite

Type Locality:Kudriavy (Kudryavyi) volcano, Iturup Island, Kuril Islands, Maritime Province, Sakhalinskaya Oblast', Far-Eastern Region, Russia
Geological Setting of type material:volcanic fumaroles
Associated Minerals at type locality:
SulphurPyriteGreenockiteCannizzarite

Physical Properties of Kudriavite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:dark grey with a slightly reddish hue
Streak:black
Hardness (Vickers):VHN100=129 kg/mm2
Hardness Data:Measured
Tenacity:Very brittle
Cleavage:None Observed
Fracture:Irregular/Uneven
Density (calculated):6.58 g/cm3

Crystallography of Kudriavite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m (B1 1 2/m) [C2/m] {C1 2/m 1}
Cell Parameters:a = 13.095Å, b = 4.0032Å, c = 14.711Å
β = 115.59°
Ratio:a:b:c = 3.271 : 1 : 3.675
Unit Cell Volume:V 695.5 ų
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
3.715 (m)
3.632 (m)
3.520 (s)
3.274 (s)
3.169 (m)
2.948 (s)
2.809 (s)

Optical Data of Kudriavite

Type:Anisotropic
Anisotropism:strong
Bireflectance:weak to distinct
Colour in reflected light:white with a slight yellow hue
Internal Reflections:none
Pleochroism:Non-pleochroic

Chemical Properties of Kudriavite

Formula:
(Cd,Pb)Bi
 
2
S
 
4
All elements listed in formula:Bi, Cd, Pb, S

Relationship of Kudriavite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.JA.05eBenjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
2.JA.05gBorodaevite
Ag
 
5
(Bi,Pb,Fe)
 
8
(Sb,Bi)
 
2
S
 
17
2.JA.05aCupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
2.JA.05aKitaibelite
Ag
 
10
PbBi
 
30
S
 
51
2.JA.05iLivingstonite
HgSb
 
4
S
 
8
2.JA.05dMakovickyite
Ag
 
1.5
Bi
 
5.5
S
 
9
2.JA.05fMummeite
Ag
 
2
CuPbBi
 
6
S
 
13
2.JA.05aPavonite
(Ag,Cu)(Bi,Pb)
 
3
S
 
5
2.JA.05bGrumiplucite
HgBi
 
2
S
 
4
2.JA.05hMozgovaite
PbBi
 
4
(S,Se)
 
7
2.JA.05dCupromakovickyite
Cu
 
8
Pb
 
4
Ag
 
2
Bi
 
18
S
 
36
2.JA.05aIMA2005-036
Ag
 
3
Cu
 
8
Pb
 
4
Bi
 
19
S
 
38
2.JA.10aCuprobismutite
Cu
 
10
Bi
 
12
S
 
23
2.JA.10cHodrušite
Cu
 
8
Bi
 
12
S
 
22
2.JA.10ePadĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
2.JA.10dPizgrischite
Cu
 
17
Bi
 
17
S
 
35
2.JA.10bKupčíkite
(Cu,Fe)
 
4
Bi
 
5
S
 
10
2.JA.15Schapbachite
AgBiS
 
2
2.JA.15Cuboargyrite
AgSbS
 
2
2.JA.20Bohdanowiczite
AgBiSe
 
2
2.JA.20Matildite
AgBiS
 
2
2.JA.20Volynskite
AgBiTe
 
2

Other Names for Kudriavite

Synonyms:
IMA2003-011
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Kudriavite

Reference List:Chaplygin, I.V., Mozgova, N.N., Magazina, L.O., Kuznetsova, O.Yu., Safonov, Yu.G., Bryzgalov, I.A., Makovcký, E., Balić-Žunić, T. (2005): Kudriavite, (Cd,Pb)Bi2S4, a new mineral species from Kudriavy volcano, Iturup Island, Kuriles. Canadian Mineralogist, 43, 695-701.

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Internet Links for Kudriavite

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    Localities for Kudriavite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
    		M.E. Ciriotti (2005) Probed
      • Sakhalinskaya Oblast'
        • Maritime Province
          • Kuril Islands
            • Iturup Island
    		Chaplygin, I.V., Mozgova, N.N., Magazina, L.O., Kuznetsova, O.Yu., Safonov, Yu.G., Bryzgalov, I.A., Makovcký, E., Balić-Žunić, T. (2005)
    Mineral and/or Locality
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