Murunskite (original) (raw)

A valid IMA mineral species

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About MurunskiteHide

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Colour:

Copper-red to pinchbeck-brown

Specific Gravity:

3.86 (Calculated)

Crystal System:

Tetragonal

Name:

Named for the Murunskii alkalic massif, the type locality.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:2814:7

664e38b7-19bd-4b00-9ff2-2e7d2bf2ca72

IMA Classification of MurunskiteHide

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Type description reference:

Classification of MurunskiteHide

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2.BD.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
D : With Hg, Tl

2.5.5.3

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2

3.0.6

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
0 : Sulphides etc. of the alkalis

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.

Symbol Source Reference
Mu IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of MurunskiteHide

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Colour:

Copper-red to pinchbeck-brown

Comment:

iridescent a fresh surface oxidizes to a sooty black film

Hardness:

VHN10=92 - 123 kg/mm2 - Vickers

Cleavage:

Imperfect/Fair
Imperfect.

Density:

3.86 g/cm3 (Calculated)

Optical Data of MurunskiteHide

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Anisotropism:

Moderate, gray to brownish gray with a bluish tint.

Colour in reflected light:

grayish orange-cream

Chemistry of MurunskiteHide

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Mindat Formula:

K2(Cu,Fe)4S4

Crystallography of MurunskiteHide

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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 = 3.8460(10) Å, c = 13.308(3) Å

Unit Cell V:

196.85 ų (Calculated from Unit Cell)

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0017729 Murunskite Pekov I V, Zubkova N V, Lisitsyn D V, Pushcharovsky D Y (2009) Crystal chemistry of murunskite Doklady Earth Sciences 424 139-141 2009 Murun pluton, Eastern Siberia, Russia 0 293
0014368 Murunskite Mujica C, Paez J, Llanos J (1994) Synthesis and crystal structure of layered chalcogenides [KCuFeS2 and KCuFeSe2] Materials Research Bulletin 29 263-268 1994 synthetic 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
6.52 Å (10)
2.53 Å (8)
2.90 Å (6)
1.940 Å (5)
1.715 Å (4)
2.10 Å (3)
3.29 Å (2)

Geological EnvironmentHide

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Type Occurrence of MurunskiteHide

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General Appearance of Type Material:

very tiny grains, to 1 µm, and in aggregates

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia (81604)

Geological Setting of Type Material:

rocks that have undergone intensive potassium metasomatism

Associated Minerals at Type Locality:

Reference:

Dobrovolskaya M G, Tsepin A I, Evstigneeva T L, Vyal'sov L N, Zaozerina A O (1981) Kurunskite, K2Cu3FeS4 a new sulfide of potassium, copper, and iron. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 110: 468-473.

Synonyms of MurunskiteHide

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Other Language Names for MurunskiteHide

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Varieties of MurunskiteHide

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Relationship of Murunskite to other SpeciesHide

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Other Members of this group:

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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.

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References for MurunskiteHide

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Localities for MurunskiteHide

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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.

Jordan
Amman Governorate Transjordan Plateau Daba-Siwaqa complex Hashem region Lisdan-Siwaga Fault Siwaga Tulul al Hammam Unnamed marble quarries Sokol +9 other references
Russia (TL)
Aldan Shield Chara and Tokko Rivers Confluence Murunskii Massif (TL) Pekov (1998) +1 other reference
Murmansk Oblast Khibiny Massif Koashva Mt Koashva Open Pit Pekov et al. (2008)
Kukisvumchorr Mt
Lovozersky District Karnasurt Mountain Karnasurt mine Palitra pegmatite ZVMO 136 (4)