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Yedlinite

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Neal Yedlin
Formula:
Pb6Cr3+Cl6(O,OH,H2O)8
System:
Trigonal
Colour:
Red-violet
Hardness:
Name:
Named after Leo Neal Yedlin (March 20, 1908 Brooklyn, NY, USA - October 7, 1977 New Haven, CT, USA), prominent mineral collector of New Haven (Connecticut).
This page provides mineralogical data about Yedlinite.

Classification of Yedlinite

Approved 1974
3.DB.50

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
B : With Pb, Cu, etc.
10.6.3.1

10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
8.8.20

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
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Type Occurrence of Yedlinite

Place of Conservation of Type Material:
Mineral Museum, University of Arizona, Tucson, Arizona, USA; National Museum of Natural History, Washinhton, DC, USA

Occurrences of Yedlinite

Geological Setting:
oxidized polymatallic hydrothermal ore deposit

Physical Properties of Yedlinite

Sub-Vitreous, Greasy
Diaphaneity (Transparency):
Transparent
Colour:
Red-violet
Comment:
may be zoned
Streak:
White
Hardness (Mohs):
Tenacity:
Sectile
Cleavage:
Distinct/Good
{1120}
Fracture:
Irregular/Uneven
Density:
5.85(4) g/cm3 (Measured)    5.8 g/cm3 (Calculated)

Crystallography of Yedlinite

Crystal System:
Trigonal
Class (H-M):
3 - Rhombohedral
Space Group:
R3
Cell Parameters:
a = 12.868(2) Å, c = 9.821(2) Å
Ratio:
a:c = 1 : 0.763
Unit Cell Volume:
V 1,408.34 ų (Calculated from Unit Cell)
Z:
3
Morphology:
dominant {1120} and {1101}, {001},{1010} and {2021}
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
d-spacingIntensity
6.44 (32)
4.506 (65)
3.879 (23)
2.952 (100)
2.622 (68)
2.473 (27)
1.787 (19)
(
(

Optical Data of Yedlinite

Type:
Uniaxial (-)
RI values:
nω = 2.125 nε = 2.059
Birefringence:
0.066
Max Birefringence:
δ = 0.066
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Yedlinite

Formula:
Pb6Cr3+Cl6(O,OH,H2O)8
Essential elements:
All elements listed in formula:

Relationship of Yedlinite to other Species

3.DB.RickturneritePb7O4[Mg(OH)4](OH)Cl3
3.DB.05DiaboleitePb2CuCl2(OH)4
3.DB.10PseudoboleitePb31Cu24Cl62(OH)48
3.DB.15BoleiteKPb26Ag9Cu24(OH)48Cl62
3.DB.20CumengeitePb21Cu20Cl42(OH)40 · 6H2O
3.DB.25BideauxitePb2AgCl3(F,OH)2
3.DB.30ChloroxiphitePb3CuO2Cl2(OH)2
3.DB.35HematophanitePb4Fe3O8(OH,Cl)
3.DB.40AsisitePb7SiO9Cl2
3.DB.40ParkinsonitePb7MoO9Cl2
3.DB.45MurdochitePbCu6O8-x(Cl,Br)2x where x<=0.5
8.8.1AbhuriteSn21Cl16(OH)14O6
8.8.2MatlockitePbFCl
8.8.3LaurelitePb7F12Cl2
8.8.4CotunnitePbCl2
8.8.5MendipitePb3Cl2O2
8.8.6DamaraitePb3Cl(OH)O2
8.8.7LaurionitePbCl(OH)
8.8.8ParalaurionitePbCl(OH)
8.8.9PenfielditePb2Cl3(OH)
8.8.10FiedleritePb3FCl4(OH) · H2O
8.8.11BlixitePb2(O,OH)2Cl
8.8.12PseudocotunniteK2PbCl4
8.8.13DiaboleitePb2CuCl2(OH)4
8.8.14PseudoboleitePb31Cu24Cl62(OH)48
8.8.15ChloroxiphitePb3CuO2Cl2(OH)2
8.8.17BideauxitePb2AgCl3(F,OH)2
8.8.18BoleiteKPb26Ag9Cu24(OH)48Cl62
8.8.19AravaipaitePb3AlF9 · H2O
8.8.21KolaritePbTeCl2
8.8.22HematophanitePb4Fe3O8(OH,Cl)

Other Names for Yedlinite

Name in Other Languages:
German:Yedlinit
Spanish:Yedlinita

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.

References for Yedlinite

Reference List:
McLean, W.J., et al. (1974): Yedlinite, a new mineral from the Mammoth mine, Tiger, AZ, American Mineralogist: 59: 1157-1159.

Wood, M.M., et al. (1974): The crystal structure and composition of yedlinite, American Mineralogist: 59: 1160-1165.

McCarthy, A. (2006): Reexamination of yedlinite, Pb6(Cl,OH)6Cr3+(OH,O)8, using single-crystal X-ray diffraction and Raman spectroscopy, and redetermination of the chemical formula. International Mineralogical Association 19th General Meeting, Kobe, Japan, July 23-28, 2006; Conference Abstract Volume.

Internet Links for Yedlinite

Localities for Yedlinite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
USA (TL)
 
  • Arizona
    • Pinal Co.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 429; McLean, W.J., et al (1974), Yedlinite, a new mineral from the Mammoth mine, Tiger, AZ, Am.Min.: 59: 1157-1159; Wood, M.M., et al (1974), The crystal structure and composition of yedlinite, Am.Min.: 59: 1160-1165.
Mineral and/or Locality  
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