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Tocornalite

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Formula:
(Ag,Hg)I
Colour:
Light yellow, darkening ...
Name:
Named after Manuel Antonio Tocornal, rector of the Universidad de Chile of Santiago in 1866-1867.
This page provides mineralogical data about Tocornalite.


Classification of Tocornalite

Approved, 'Grandfathered' (first described prior to 1959), Questionable
3.AA.10

3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
9.1.6.1

9 : NORMAL HALIDES
1 : AX
8.5.11

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
5 : Halides of Zn and Hg

Physical Properties of Tocornalite

Colour:
Light yellow, darkening upon exposure
Streak:
Yellow

Chemical Properties of Tocornalite

Formula:
(Ag,Hg)I
Elements listed in formula:

Crystallography of Tocornalite

Morphology:
Granular massive.

Relationship of Tocornalite to other Species

3.AA.05MarshiteCuI
3.AA.05Miersite(Ag,Cu)I
3.AA.05NantokiteCuCl
3.AA.05UM1999-11:I:CuSCu(I,S)
3.AA.10IodargyriteAgI
3.AA.15BromargyriteAgBr
3.AA.15ChlorargyriteAgCl
3.AA.20CarobbiiteKF
3.AA.20GriceiteLiF
3.AA.20HaliteNaCl
3.AA.20SylviteKCl
3.AA.20VilliaumiteNaF
3.AA.25SalammoniacNH4Cl
3.AA.25UM1998-03-Cl:TlTlCl
3.AA.25LafossaiteTl(Cl,Br)
3.AA.30Calomel(Hg2)2+Cl2
3.AA.30Kuzminite(Hg22+)(Br,Cl)2
3.AA.30Moschelite(Hg22+)I2
3.AA.35NeighboriteNaMgF3
3.AA.40ChlorocalciteKCaCl3
3.AA.45KolaritePbTeCl2
3.AA.50RadhakrishnaitePbTe3(Cl,S)2
3.AA.55ChallacolloiteKPb2Cl5
3.AA.60HephaistositeTlPb2Cl5
8.5.1SimonkolleiteZn5Cl2(OH)8 · H2O
8.5.2Calomel(Hg2)2+Cl2
8.5.3Terlinguaite(Hg22+)Hg22+Cl2O2
8.5.4Poyarkovite(Hg22+)3Cl2O2
8.5.5PinchiteHg52+Cl2O4
8.5.6Eglestonite(Hg22+)3OCl3(OH)
8.5.7Kadyrelite(Hg22+)3OBr3(OH)
8.5.8ComancheiteHg552+N243–(NH2,OH)4(Cl,Br)34
8.5.9Kuzminite(Hg22+)(Br,Cl)2
8.5.10Moschelite(Hg22+)I2

Other Names for Tocornalite

Name in Other Languages:
German:Tocornalit
Spanish:Tocornalita

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 Tocornalite

Reference List:
Domeyko (1867) Min. Chili, 2nd. Appendix: 41.

Domeyko (1879) Min. Chili, 3rd. edition: 431.

Smith (1926) Department of Mines, New South Wales, Mineral Resources, no. 34: 41.

Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 25.

Smithsonian Contribution to the Earth Sciences (1972): 9: 79.

American Mineralogist (1992): 77: 197.

American Mineralogist (1973): 58: 348.

Internet Links for Tocornalite

mindat.org URL:
https://www.mindat.org/min-3987.html
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Localities for Tocornalite

This 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.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill
        • Broken Hill South Mine (BHS Mine; South Mine)
Australian Min. 3:1 (1997)
Chile
 
  • Atacama Region
    • Copiapó Province
Cook, R B. (1979): Famous mineral localities; Chanarcillo, Chile. Mineralogical Record. 10, 197-204.
USA
 
  • Arizona
    • La Paz Co.
      • Trigo Mts
        • Silver District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 398; Bancroft, P. & G. Bricker (1990), Arizona's silver mining district, Min.Rec.: 21: 151-168
  • Nevada
    • Clark Co.
      • Spring Mts
        • Goodsprings District
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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