Coccinite (original) (raw)

A valid IMA mineral species - grandfathered

About CocciniteHide

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Colour:

Orange-red, deep red

Crystal System:

Tetragonal

See also the other known natural mercury iodide, moschelite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:1100:2

d932cb93-a75f-4405-b959-9157e1ccd64c

IMA Classification of CocciniteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Classification of CocciniteHide

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3.AB.10

3 : HALIDES
A : Simple halides, without H2O
B : M:X = 1:2

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Physical Properties of CocciniteHide

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Colour:

Orange-red, deep red

Cleavage:

Distinct/Good
On {001}.

Chemistry of CocciniteHide

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Crystallography of CocciniteHide

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Crystal System:

Tetragonal

Class (H-M):

4/m m m _(_4/_m_2/_m_2/m ) - Ditetragonal Dipyramidal

Cell Parameters:

a = 4.376(4) Å, c = 12.41(1) Å

Unit Cell V:

237.64 ų (Calculated from Unit Cell)

Morphology:

Forms include {100} and {102}.

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0019547	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	10
0019548	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	30
0019549	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	60
0019550	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	100
0019551	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	200
0019552	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	293
0019553	Coccinite	Schwarzenbach D, Birkedal H, Hostettler M, Fischer P (2007) Neutron diffraction investigation of the temperature dependence of crystal structure and thermal motions of red HgI2 Acta Crystallographica B63 828-835		2007	synthetic, Fluka 83379	0	293
0010671	Coccinite	Schwarzenbach D (1969) The crystal structure and one-dimensional disorder of the orange modification of HgI2 Zeitschrift fur Kristallographie 128 97-114		1969	synthetic	0	293
0016999	Coccinite	Bijvoet J, Claassen A, Karssen A (1926) The crystal structure of red mercuric iodide _cod_database_code 1010063 Proceedings of the Koninklijke Nederlandse Academie van Wetenschappen 29 529-546	1926	0	293

CIF Raw Data - click here to close

Geological EnvironmentHide

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Geological Setting:

Sublimation product from burning pyritic slate.

Type Occurrence of CocciniteHide

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Place of Conservation of Type Material:

No designated type material.

Synonyms of CocciniteHide

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Other Language Names for CocciniteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CocciniteHide

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References for CocciniteHide

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Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Localities for CocciniteHide

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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.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.