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Hutchinsonite

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Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru
© D. Schläfli

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Formula:
(Tl,Pb)
 
2
As
 
5
S
 
9
System:OrthorhombicColour:Scarlet-vermillion to ...
Hardness:1½ - 2
Name:After Dr. Arthur Hutchinson (1866-1937), Professor of Mineralogy, University of Cambridge.
This page provides mineralogical data about Hutchinsonite.

Classification of Hutchinsonite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/E.13-45
Nickel-Strunz 10th (pending) edition ID:2.HD.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
D : With Tl
Dana 8th edition ID:3.8.6.1

3 : SULFOSALTS
8 : 1 < ø < 2
Hey's CIM Ref.:5.5.7

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
5 : Sulpharsenites etc. of Tl
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Type Occurrence of Hutchinsonite

Type Locality:Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland
Year of Discovery:1904

Physical Properties of Hutchinsonite

Lustre:Adamantine
Colour:Scarlet-vermillion to deep cherry-red
Streak:Scarlet-vermillion to deep cherry-red
Hardness (Mohs):1½ - 2
Tenacity:Brittle
Cleavage:Distinct/Good
{010} good.
Fracture:Conchoidal
Density (measured):4.6 g/cm3

Crystallography of Hutchinsonite

Crystal System:Orthorhombic
Cell Parameters:a = 10.8Å, b = 35.35Å, c = 8.16Å
Ratio:a:b:c = 0.306 : 1 : 0.231
Unit Cell Volume:V 3,115.32 ų (Calculated from Unit Cell)
Morphology:Prismatic to acicular [001]. Dominant prism {410}. Radiating tufts at times.

Optical Data of Hutchinsonite

Type:Biaxial (-)
RI values: nα = 3.078 nβ = 3.176 nγ = 3.188
2V:Measured: 37° , Calculated: 36°
Maximum Birefringence:δ = 0.110

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Type:Anisotropic
Anisotropism:Strong
Dispersion:marked to extreme
Internal Reflections:Marked carmine-red

Chemical Properties of Hutchinsonite

Formula:
(Tl,Pb)
 
2
As
 
5
S
 
9
Essential elements:As, S, Tl
All elements listed in formula:As, Pb, S, Tl
Common Impurities:Ag,Sb

Relationship of Hutchinsonite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HD.05Lorándite
TlAsS
 
2
2.HD.05Weissbergite
TlSbS
 
2
2.HD.15Christite
TlHgAsS
 
3
2.HD.20Jankovićite
Tl
 
5
Sb
 
9
(As,Sb)
 
4
S
 
22
2.HD.20Jankovicite
2.HD.25Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
2.HD.30Imhofite
Tl
 
6
CuAs
 
16
S
 
40
2.HD.35Edenharterite
PbTlAs
 
3
S
 
6
2.HD.40Jentschite
TlPbAs
 
2
SbS
 
6
2.HD.50Bernardite
Tl(As,Sb)
 
5
S
 
8
2.HD.55Sicherite
TlAg
 
2
(As,Sb)
 
3
S
 
6
2.HD.60Gabrielite
Tl
 
6
Ag
 
3
Cu
 
6
(As,Sb)
 
9
S
 
21
Related Minerals - Hey's Index Grouping:

- +
5.5.1Lorándite
TlAsS
 
2
5.5.2Ellisite
Tl
 
3
AsS
 
3
5.5.3Imhofite
Tl
 
6
CuAs
 
16
S
 
40
5.5.4Simonite
TlHgAs
 
3
S
 
6
5.5.6Christite
TlHgAsS
 
3
5.5.6Routhierite
Tl(Cu,Ag)(Hg,Zn)
 
2
(As,Sb)
 
2
S
 
6
5.5.8Wallisite
(Cu,Ag)TlPbAs
 
2
S
 
5
5.5.9Bernardite
Tl(As,Sb)
 
5
S
 
8
5.5.10Vrbaite
Tl
 
4
Hg
 
3
Sb
 
2
As
 
8
S
 
20
5.5.11Rebulite
Tl
 
5
Sb
 
5
As
 
8
S
 
22
5.5.12Gillulyite
Tl
 
2
(As,Sb)
 
8
S
 
13
5.5.13Weissbergite
TlSbS
 
2
5.5.14Rohaite
(Tl,Pb,K)
 
2
Cu
 
8.7
Sb
 
2
S
 
4
5.5.15Vaughanite
TlHgSb
 
4
S
 
7
5.5.16Chalcothallite
Tl
 
2
(Cu,Fe)
 
6
SbS
 
4
5.5.17Pierrotite
Tl
 
2
Sb
 
6
As
 
4
S
 
16
5.5.18Parapierrotite
Tl(Sb,As)
 
5
S
 
8
5.5.19Criddleite
TlAg
 
2
Au
 
3
Sb
 
10
S
 
10
5.5.20Chabournéite
Tl
 
21-x
Pb
 
2x
(Sb,As)
 
91-x
S
 
147
 (x = 0-17.5)

Other Names for Hutchinsonite

Other Languages:
German:Hutchinsonit
Russian:Хатчинсонит
Spanish:Hutchinsonita

Other Information

Health Warning:Contains thallium, lead and arsenic, three toxic elements - always wash hands after handling. Avoid inhaling dust when handling or breaking. Never lick or ingest.

References for Hutchinsonite

Reference List:Solly (1904), Cambridge Philosophical Society, Proceedings: 12: 277.

Solly (1905), Mineralogical Magazine: 14: 72.

Smith and Prior (1907), Mineralogical Magazine: 14: 283.

Guisca (1930), Min. Mitt.: 10: 170.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 468-470.

Neues Jahrbuch für Mineralogie, Abhandlungen: 86: 163-178.

Zeitschrift für Kristallographie: 209: 475-478.

Internet Links for Hutchinsonite

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  • Raman and XRD data at RRUFF project
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  • Search for Hutchinsonite in the Natural History Museum (London) online catalogue
  • Hutchinsonite details from Handbook of Mineralogy (PDF)
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    Localities for Hutchinsonite

    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.
    (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.
    China
     
    • Anhui Province
      • Chaohu Prefecture
        • He Co.
    		Zhou, T.F., Fan, Y., Yuan, F., Wu, M.A., Hou, M.J., Voicu, G., Hu, Q.H., Zhang, Q.M., and Yue, S.C. (2005): Mineralogy and Petrology 85(3/4), 243-251
    • Yunnan Province
      • Chuxiong Autonomous Prefecture
        • Nanhua Co.
    		Zhang Zhong, Zhang Baogui, Hu Jing, Yao Linbo, and Tian Yifu (2007): Science in China, Series D (Earth Sciences), 50(3), 359-370.
    Germany
     
    • Baden-Württemberg
      • Heidelberg
        • Wiesloch
    		No reference listed
    Japan
     
    • Hokkaido Island
      • Abuta-gun
        • Takarada
    		Shimizu et al (1999) Resource Geology (special issue), 20, 31-37.
    Peru
     
    • La Libertad Department
      • Santiago de Chuco Province
        • Quiruvilca District
    		Hyrsl & Rosales (2003) Mineralogical Record, 34, 241-254.; Hyrsl & Rosales (2003) Mineralogical Record, 34, 241-254.
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		Cambridge Phil.Soc.Proc.(1904) 12, 277 and Min.Mag.(1905) 14, 72-82
    Mineral and/or Locality
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