Cuproneyite (original) (raw)

A valid IMA mineral species

About CuproneyiteHide

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Specific Gravity:

7.113 (Calculated)

Crystal System:

Monoclinic

Name:

For the mineral neyite and its copper content.

Cu analogue of neyite.

‘Cu-enriched cuproneyite’ may be explained by aikinite nanoinclusions in cuproneyite (Ciobanu et al., 2016).

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:39287:3

4ab88fe3-e748-4e23-ad63-3e7f2a04716d

IMA Classification of CuproneyiteHide

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Type description reference:

Ilinca, G., Makovicky, E., Topa, D., Zagler, G. (2012) Cuproneyite, Cu7Pb27Bi25S68, a new mineral species from Băiţa Bihor, Romania. The Canadian Mineralogist, 50 (2) 353-370 doi:10.3749/canmin.50.2.353

Classification of CuproneyiteHide

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2.JB.25i

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

3.5.1.2

3 : SULFOSALTS
5 : 2.5 < ø < 3

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.

Pronunciation of CuproneyiteHide

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Pronunciation:

Physical Properties of CuproneyiteHide

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Hardness:

VHN25=222 kg/mm2 - Vickers

Cleavage:

Perfect
Parallel to the c axis

Fracture:

Irregular/Uneven

Comment:

Fracture is subparallel, perpendicular to the c axis.

Density:

7.113 g/cm3 (Calculated)

Optical Data of CuproneyiteHide

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Anisotropism:

Moderate in air and strong in oil.

Bireflectance:

Bireflectance is perceptible in air and moderate in oil

Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 50.25%.
R1 shown in black, R2 shown in red

Colour in reflected light:

Greyish white

Internal Reflections:

None

Comments:

Greyish white with faint bluish tint (darkest position) to greyish white with faint yellowish tint (lightest position).

Chemistry of CuproneyiteHide

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Mindat Formula:

Cu7Pb27Bi25S68

Crystallography of CuproneyiteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 37.432(8) Å, b = 4.0529(9) Å, c = 43.545(9) Å
β = 108.803°

Ratio:

a:b:c = 9.236 : 1 : 10.744

Unit Cell V:

6,253.58 ų (Calculated from Unit Cell)

Crystal StructureHide

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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 CuproneyiteHide

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General Appearance of Type Material:

Irregular or short prismatic grains, of up to 300 μm in length, intergrown with lamellae and irregular patches of cosalite and Cu–Pb-rich bismuthinite derivatives.

Place of Conservation of Type Material:

Department of Mineralogy, Faculty of Geology and Geophysics, University of Bucharest, Romania (catalogue no. CATMIN 22/24).

Geological Setting of Type Material:

polymetallic mineralization related to contact metamorphism (skarn) developed around the Late Cretaceous magmatic complex at Băiţa Bihor

Associated Minerals at Type Locality:

Reference:

Ilinca, Gh., Makovicky, E., Topa, D., Zagler, G. (2012) Cuproneyite, Cu7Pb27Bi25S68, a new mineral from Băiţa Bihor, Romania. The Canadian Mineralogist: 50: 353-370.

Synonyms of CuproneyiteHide

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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 CuproneyiteHide

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References for CuproneyiteHide

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Reference List:

Ilinca, Gh., Topa, D., Makovicky, E. & Zagler, G. (2010): Cuproneyite – Cu7Pb27Bi25S68, a new mineral from Băiţa Bihor, Romania. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, p. 497.

Ilinca, G., Makovicky, E., Topa, D., Zagler, G. (2012) Cuproneyite, Cu7Pb27Bi25S68, a new mineral species from Băiţa Bihor, Romania. The Canadian Mineralogist, 50 (2) 353-370 doi:10.3749/canmin.50.2.353

Localities for CuproneyiteHide

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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.