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Coccinite

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Formula:
HgI2
System:
Tetragonal
Colour:
Orange-red
Lustre:
See also the other known natural mercury iodide, moschelite.

Classification of Coccinite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
3.AB.10

3 : HALIDES
A : Simple halides, without H2O
B : M:X = 1:2
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Type Occurrence of Coccinite

Physical Properties of Coccinite

Colour:
Orange-red

Crystallography of Coccinite

Crystal System:
Tetragonal

Chemical Properties of Coccinite

Formula:
HgI2
Essential elements:
All elements listed in formula:
CAS Registry number:
7774-29-0

CAS Registry numbers are published by the American Chemical Society

Relationship of Coccinite to other Species

3.AB.FluorocronitePbF2
3.AB.05TolbachiteCuCl2
3.AB.15SellaiteMgF2
3.AB.20ChloromagnesiteMgCl2
3.AB.20Lawrencite(Fe2+,Ni)Cl2
3.AB.20ScacchiteMnCl2
3.AB.25FluoriteCaF2
3.AB.25FrankdicksoniteBaF2
3.AB.25StrontiofluoriteSrF2
3.AB.30Tveitite-(Y)(Y, Na)6Ca6Ca6F42
3.AB.35Gagarinite-(Y)NaCaYF6
3.AB.35Gagarinite-(Ce)Na(REExCa1-x)(REEyCa1-y)F6
3.AB.35Polezhaevaite-(Ce)NaSrCeF6

Other Names for Coccinite

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 Coccinite

Reference List:
Del Rio (1829) Annales des mines: 5: 324 (as Iodure de Mercure).

Beudant, F.S. (1832), Trailé élémentaire de Minéralogie, second edition, 2 volumes: 2: 515 (as Iodure de Mercure).

Haidinger (1845): 572 (as Coccinit).

Moses (1901) American Journal of Science: 12: 98.

Smith (1926) Department of Mines, New South Wales, Mineral Resources, no. 34, 20, 42.

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: 42.

Witzke, T. (1997): New data on the mercury iodide mineral coccinite, HgI2. Neues Jahrbuch für Mineralogie, Abhandlungen: 505-510.

Internet Links for Coccinite

Localities for Coccinite

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.
A.J. Moses (1901) Zeitschr. f. Kryst. 35, 417-418; G. Nottes & U. Heidtke (1986) Aufschluss 37, 31-36
Germany
 
  • Rhineland-Palatinate
    • Palatinate
      • Alsenz-Obermoschel
        • Landsberg (Moschellandsberg)
Lapis 2001(6), 13-40
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke (1997) New data on the mercury iodide mineral coccinite, HgI2.- N. Jb. Miner., Mh., 505-510
Mexico (TL)
 
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 42.
Mineral and/or Locality  
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