Ciobanu, C. L.; Brugger, J.; Cook, N. J.; Mills, S. J.; Elliott, P.; Damian, G.; Damian, F. (2014) Graţianite, MnBi2S4, a new mineral from the Baia Bihor skarn, Romania. American Mineralogist, 99 (5). 1163-1170 doi:10.2138/am.2014.4836

Classification of GraţianiteHide

Strunz-mindat (2026):

2.HA.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
A : With Cu, Ag, Fe (without Pb)

Mineral SymbolsHide

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

Symbol	Source	Reference for Standard
Gţi	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 GraţianiteHide

Comment:

Could not be determined

Colour:

Bulk color could not be determined

Hardness Data:

Could not be measured

Density:

6.031 g/cm³ (Calculated)

Optical Data of GraţianiteHide

Anisotropism:

Strong

Bireflectance:

Weak to modest bireflectance in air and oil, respectively

Colour in reflected light:

Medium gray

Internal Reflections:

None

Chemistry of GraţianiteHide

Mindat Formula:

MnBi₂S₄

Element Weights:

Element	% weight
Bi	69.526 %
S	21.336 %
Mn	9.139 %

Calculated from ideal end-member formula.

Elements listed:

Bi, Mn, S - search for minerals with similar chemistry

Crystallography of GraţianiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/m

Setting:

C2/m

Cell Parameters:

a = 12.677(3) Å, b = 3.9140(8) Å, c = 14.758(3) Å
β = 115.31(3)°

Ratio:

a:b:c = 3.239 : 1 : 3.771

Unit Cell V:

662 Å³

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.644 Å	(54)
3.637 Å	(55)
3.448 Å	(100)
3.335 Å	(43)
3.062 Å	(52)
2.855 Å	(64)
2.731 Å	(77)

Locality:

Antoniu ore pipe, Băiţa mining district, Nucet, Bihor County, Romania

Reference:

Comments:

From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of GraţianiteHide

Type Locality:

ⓘ Antoniu ore pipe, Băiţa mining district, Nucet, Bihor County, Romania

General Appearance of Type Material:

Thin lamellae, intimately intergrown with cosalite and bismuthinite, or as flower-shaped blebs within chalcopyrite.

Place of Conservation of Type Material:

Type material is deposited in the collections of the South Australian Museum, Adelaide, Australia, catalogue number G33937.

Geological Setting of Type Material:

Skarn

Associated Minerals at Type Locality:

Reference:

Synonyms of GraţianiteHide

IMA2013-076

Other Language Names for GraţianiteHide

Dutch:Graţianiet

German:Graţianit

Relationship of Graţianite to other SpeciesHide

Member of:

Pavonite Homologous Series Group

Other Members of Pavonite Homologous Series:

Benjaminite	Ag₃Bi₇S₁₂	Mon. 2/m : B2/m
Cupromakopavonite	Ag₃Cu₈Pb₄Bi₁₉S₃₈	Mon. 2/m : B2/m
Cupromakovickyite	Cu₄AgPb₂Bi₉S₁₈	Mon. 2/m : B2/m
Cupropavonite	Cu_0.9Ag_0.5Pb_0.6Bi_2.5S₅	Mon. 2/m : B2/m
Dantopaite	Ag₅Bi₁₃S₂₂	Mon. 2/m : B2/m
Grumiplucite	HgBi₂S₄	Mon. 2/m : B2/m
Kudriavite	(Cd,Pb)Bi₂S₄	Mon. 2/m : B2/m
Luboržákite	Mn₂AsSbS₅	Mon. 2/m : B2/m
Makovickyite	Cu_1.12Ag_0.81Pb_0.27Bi_5.35S₉	Mon. 2/m
Mummeite	Cu_0.58Ag_3.11Pb_1.10Bi_6.65S₁₃	Mon.
Pavonite	AgBi₃S₅	Mon. 2/m : B2/m
Sunshuite	FeBi₂S₄	Mon. 2/m : B2/m

Related Minerals - Strunz-mindat Grouping Hide

2.HA.05	Grundmannite	CuBiSe₂	Orth. mmm(2/m2/m2/m) : Pnma
2.HA.05	Emplectite	CuBiS₂	Orth. mmm(2/m2/m2/m) : Pmna
2.HA.05	Příbramite	CuSbSe₂	Orth. mmm(2/m2/m2/m) : Pnma
2.HA.05	Hansblockite	(Cu,Hg)(Bi,Pb)Se₂	Mon. 2/m : P2₁/c
2.HA.05	Chalcostibite	CuSbS₂	Orth. mmm(2/m2/m2/m)
2.HA.10	Miargyrite	AgSbS₂	Mon. 2/m : B2/b
2.HA.20	Sunshuite	FeBi₂S₄	Mon. 2/m : B2/m
2.HA.20	Garavellite	FeSbBiS₄	Orth.
2.HA.20	Berthierite	FeSb₂S₄	Orth. mmm(2/m2/m2/m)
2.HA.20	Clerite	MnSb₂S₄	Orth. mmm(2/m2/m2/m)
2.HA.25	Aramayoite	Ag₃Sb₂(Bi,Sb)S₆	Tric. 1 : P1
2.HA.25	Baumstarkite	Ag₃Sb₃S₆	Tric. 1 : P1
2.HA.30	Zhonghongite	Cu₂₉(As,Sb)₁₂S₃₃	Orth. mm2 : Fmm2

Other InformationHide

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 GraţianiteHide

mindat.org URL:

https://www.mindat.org/min-45962.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

Mineral Dealers:

Buy from D. Joyce minerals

References for GraţianiteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) New minerals and nomenclature modifications approved in 2013. CNMNC Newsletter No 18. Mineralogical Magazine, 77 (8) 3249-3258 doi:10.1180/minmag.2013.077.8.15

(2017) Graţianite. Handbook of Mineralogy. Mineralogical Society of America

Localities for GraţianiteHide

Showing 2 localities.

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.

Hide all sections | Show all sections

Locality ListHide

- 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.


Japan
Gunma Prefecture Midori City Seta ⓘ Hagidaira mine	Matsubara S. et al. (2018)

Romania (TL)
Bihor County Nucet Băiţa mining district ⓘ Antoniu ore pipe (TL)	Williams et al. (2013) +1 other reference

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Graţianite

About GraţianiteHide

Name EncodingHide

Unique IdentifiersHide

IMA Classification of GraţianiteHide