Tazieffite (original) (raw)

A valid IMA mineral species

About TazieffiteHide

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Formula:

Pb20Cd2(As,Bi)22S50Cl10

Colour:

Silver-gray in color, occasionally with a magenta tint

Specific Gravity:

6.07 (Calculated)

Crystal System:

Monoclinic

Name:

Named in honor of Haroun Tazieff (11 May 1914, Warsaw, Russian Empire – 6 February 1998, Paris, France), famous volcanologist. He lived in Belgium starting in 1917 and later in France. He was a pioneer in modern volcanology and spent considerable effort in popularizing vulcanology through numerous books, popular science papers, and documentaries. He directed and appeared in 'Le Volcan interdit' that was nominated in 1966 for an Academy Award for Best Documentary Feature.

This page provides mineralogical data about Tazieffite.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:36040:3

c25be370-d806-44b3-84e3-5573746aa9a5

IMA Classification of TazieffiteHide

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Type description reference:

Zelenski, M., Garavelli, A., Pinto, D., Vurro, F., Moelo, Y., Bindi, L., Makovicky, E., Bonaccorsi, E. (2009) Tazieffite, Pb20Cd2(As,Bi)22S50Cl10, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. American Mineralogist, 94 (10) 1312-1324 doi:10.2138/am.2009.3190

Classification of TazieffiteHide

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2.JB.65

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
B : Galena derivatives, with Pb

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 TazieffiteHide

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Colour:

Silver-gray in color, occasionally with a magenta tint

Density:

6.07 g/cm3 (Calculated)

Optical Data of TazieffiteHide

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Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 34.1%.
R1 shown in black, R2 shown in red

Comments:

Dark gray to blue-gray.

Chemistry of TazieffiteHide

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Mindat Formula:

Pb20Cd2(As,Bi)22S50Cl10

Crystallography of TazieffiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 8.352 Å, b = 45.592 Å, c = 27.261 Å
β = 98.84°

Ratio:

a:b:c = 0.183 : 1 : 0.598

Unit Cell V:

10,257.26 ų (Calculated from Unit Cell)

Crystal StructureHide

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ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0004974	Tazieffite	Zelenski M, Garavelli A, Pinto D, Vurro F, Moelo Y, Bindi L, Makovicky E, Bonaccorsi E (2009) Tazieffite, Pb20Cd2(As,Bi)22S50Cl10, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation American Mineralogist 94 1312-1324		2009	Mutnovsky volcano, Kamchatka Peninsula, Russian Federation	0	293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of TazieffiteHide

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General Appearance of Type Material:

Tiny, slender, needle-shaped crystals, up to 400 μm long and 10 μm across, generally forming fibrous aggregates

Place of Conservation of Type Material:

Fersman Museum, Moscow (catalog number 92674), and the Ecole des Mines de Paris (catalog number 78986).

Geological Setting of Type Material:

Associated Minerals at Type Locality:

Reference:

Zelenski, M., Garavelli, A., Pinto, D., Vurro, F., Moëlo, Y., Bindi, L., Makovicky, E., Bonaccorsi, E. (2009) Tazieffite, Pb20Cd2(As,Bi)22S50Cl10, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. American Mineralogist: 94: 1312–1324.

Synonyms of TazieffiteHide

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Other Language Names for TazieffiteHide

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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 TazieffiteHide

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References for TazieffiteHide

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Reference List:

Zelenski, M., Garavelli, A., Pinto, D., Vurro, F., Moelo, Y., Bindi, L., Makovicky, E., Bonaccorsi, E. (2009) Tazieffite, Pb20Cd2(As,Bi)22S50Cl10, a new chloro-sulfosalt from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. American Mineralogist, 94 (10) 1312-1324 doi:10.2138/am.2009.3190

Localities for TazieffiteHide

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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.