Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (6 online) Mindat Auctions

Pizgrischite

Big Photo

Piz Grisch, Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland
© 2008, J. Weissman

Formula:
Cu
 
17
Bi
 
17
S
 
35
System:MonoclinicColour:Lead grey
Lustre:Metallic
Name:Named after type locality.


Related to cuprobismutite.

Classification of Pizgrischite

IMA status:Approved 2001
Nickel-Strunz 10th (pending) edition ID: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
mindat.org URL:http://www.mindat.org/min-11109.html
Please feel free to link to this page.

Type Occurrence of Pizgrischite

Type Locality:Piz Grisch, Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland
General Appearance of Type Material:Thin lead-grey blades up to 1 cm, embedded in quartz.
Geological Setting of type material:Quartz vein embedded in gneisses.
Associated Minerals at type locality:
TetrahedriteSphaleritePyriteEmplectiteChalcopyrite
Bismuthinite-Aikinite series

Physical Properties of Pizgrischite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Lead grey
Tenacity:Brittle
Cleavage:Perfect
Perfect on (001) and well-developed on (010)

Crystallography of Pizgrischite

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 = 35.054Å, b = 3.91123Å, c = 43.192Å
β = 96.713°
Ratio:a:b:c = 8.962 : 1 : 11.043
Unit Cell Volume:V 5,881.21 ų (Calculated from Unit Cell)
Twinning:Abundant polysynthetic twinning on (010).
X-Ray Powder Diffraction:
d-spacingIntensity
5.36 (40)
4.08 (50)
3.904 (37)
3.585 (34)
3.120 (40)
3.104 (68)
2.759 (53)
2.752 (44)

Optical Data of Pizgrischite

Type:Anisotropic
Anisotropism:Weak
Reflectivity:
460 nmR1=40.6%R2=42%
540 nmR1=41.1%R2=43%
580 nmR1=41.1%R2=43.15%
640 nmR1=40.9%R2=43.4%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 43.4%.
R1 shown in black, R2 shown in red
Colour in reflected light:Dark Brown (in oil with ND=1.515)
Internal Reflections:none observed

Chemical Properties of Pizgrischite

Formula:
Cu
 
17
Bi
 
17
S
 
35
Essential elements:Bi, Cu, S
All elements listed in formula:Bi, Cu, S

Relationship of Pizgrischite 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.05cKudriavite
(Cd,Pb)Bi
 
2
S
 
4
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.10cHodrušhite
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.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 Pizgrischite

Synonyms:
IMA2001-002
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 Pizgrischite

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.

Articles/Blogs about Pizgrischite

Internet Links for Pizgrischite

Search Engines:
  • Look for Pizgrischite on Google
  • Look for Pizgrischite images on Google
    • External Links:
  • Look for Pizgrischite on Webmineral
  • Look for Pizgrischite on Athena Mineralogy
  • Look for Pizgrischite on Wikipedia
  • Look for Pizgrischite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Pizgrischite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Buy from David K Joyce minerals
  • Buy Minerals and Crystals from Crystalarium.com
  • Top quality minerals from Kristalle of California
  • Fabre Minerals - search for Pizgrischite specimens
  • rare and unusual minerals mainly crystallized
  • Find Pizgrischite on www.crystalclassics.co.uk
  • Rare and Unusual minerals at Mineralogical Research Company
  • The Arkenstone - Fine Minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Search for Pizgrischite at Thames Valley Minerals
  • Search for Pizgrischite on minvision.com
  • Fine Minerals from Dan Weinrich Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Pizgrischite

    Hide Locality List
    The 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.
    These maps work faster with Firefox!
    (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.
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Hinterrhein Valley
        • Ferrera Valley
    		Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp. N. MEISSER, et al. Pizgrischite, (Cu,Fe)Cu14PbBi17S35, a new sulfosalt from the Swiss Alps: description, crystal structure and occurrence (MS#3589, 08/03/2007), Canadian Mineralogist, accepted.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.