Vymazalova, A., Laufek, F., Drabek, M., Stanley, C. J., Baker, R. J., Bermejo, R., Garuti, G., Thalhammer, O., Proenza, J. A., Longo, F. (2012) ZACCARINIITE, RhNiAs, A NEW PLATINUM-GROUP MINERAL FROM LOMA PEGUERA, DOMINICAN REPUBLIC. The Canadian Mineralogist, 50 (5) 1321-1329 doi:10.3749/canmin.50.5.1321

Classification of ZaccariniiteHide

Strunz-mindat (2026):

2.AA.50

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
A : Alloys of metalloids with Cu, Ag, Au

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
Zcr	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 ZaccariniiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Grey

Hardness:

3½ - 4 on Mohs scale

Hardness:

VHN₁₀₀=166 - 286 - Vickers

Tenacity:

Brittle

Cleavage:

None Observed

Density:

10.09 g/cm³ (Measured) 10.19 g/cm³ (Calculated)

Optical Data of ZaccariniiteHide

Anisotropism:

Strong, with rotation tints from orange to blue–green

Bireflectance:

Moderate to strong

Reflectivity:

Wavelength	R₁ (%)	R₂ (%)
400nm	45.4%	50.9%
420nm	46.2%	51.1%
440nm	47.4%	51.4%
460nm	48.8%	52.2%
470nm	49.4%	52.6%
480nm	49.9%	52.9%
500nm	50.7%	53.3%
520nm	51.4%	53.3%
540nm	52.0%	53.2%
546nm	52.4%	53.2%
560nm	52.8%	53.2%
580nm	53.7%	53.2%
589nm	54.2%	53.2%
600nm	54.6%	53.2%
620nm	55.4%	53.2%
640nm	56.2%	53.2%
650nm	56.6%	53.3%
660nm	57.0%	53.3%
680nm	58.0%	53.9%
700nm	59.0%	54.5%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 59.0%.
R₁ shown in black, R₂ shown in red

Colour in reflected light:

White with brownish to pinkish tints

Internal Reflections:

No internal reflections

Pleochroism:

Strong

Comments:

White to pinkish brownish white

Chemistry of ZaccariniiteHide

Mindat Formula:

RhNiAs

Element Weights:

Element	% weight
Rh	43.508 %
As	31.677 %
Ni	24.815 %

Calculated from ideal end-member formula.

Elements listed:

As, Ni, Rh - search for minerals with similar chemistry

Crystallography of ZaccariniiteHide

Crystal System:

Tetragonal

Class (H-M):

4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal

Space Group:

P4/nmm

Cell Parameters:

a = 3.5496(1) Å, c = 6.1578(2) Å

Ratio:

a:c = 1 : 1.735

Unit Cell V:

77.59 Å³

Morphology:

Anhedral grains.

Crystal StructureHide

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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

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CIF File Best | x | y | z | a | b | c

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Stop | Start

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0016852	Zaccariniite	Roy-Montreuil J, Chaudouet P, Rouault A, Boursier D, Senateur J P, Fruchart R (1984) Analyse de l'ordre dans les arseniures MM'As _cod_database_code 1008989 Annales de Chimie 9 579-586		1984	synthetic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Zaccariniite'
loop_
_publ_author_name
'Roy-Montreuil J'
'Chaudouet P'
'Rouault A'
'Boursier D'
'Senateur J P'
'Fruchart R'
_journal_name_full 'Annales de Chimie'
_journal_volume 9 
_journal_year 1984
_journal_page_first 579
_journal_page_last 586
_publ_section_title
;
 Analyse de l'ordre dans les arseniures MM'As
 _cod_database_code 1008989
;
_database_code_amcsd 0016852
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ni Rh As'
_cell_length_a 3.565
_cell_length_b 3.565
_cell_length_c 6.161
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 78.302
_exptl_crystal_density_diffrn     10.032
_symmetry_space_group_name_H-M 'P 4/n m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2-y,1/2-x,z'
  'y,x,-z'
  'y,-x,-z'
  '1/2-y,1/2+x,z'
  'x,-y,z'
  '1/2-x,1/2+y,-z'
  '1/2+x,1/2+y,-z'
  '-x,-y,z'
  '1/2+y,1/2+x,z'
  '-y,-x,-z'
  '-y,x,-z'
  '1/2+y,1/2-x,z'
  '-x,y,z'
  '1/2+x,1/2-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ni   0.00000   0.00000   0.00000
Rh   0.00000   0.50000   0.75000
As   0.00000   0.50000   0.35700

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.326 Å	(97)
2.053 Å	(56)
1.945 Å	(100)
1.776 Å	(58)
1.775 Å	(83)
1.256 Å	(86)
1.164 Å	(60)
0.973 Å	(69)

Locality:

Loma Peguera deposit, Falcondo Mines, Bonao, Monseñor Nouel Province, Dominican Republic

Reference:

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks	>3.0
37 : Layered igneous intrusions and related PGE minerals

Type Occurrence of ZaccariniiteHide

Type Locality:

ⓘ Loma Peguera deposit, Falcondo Mines, Bonao, Monseñor Nouel Province, Dominican Republic

General Appearance of Type Material:

Anhedral grains (1–20 μm in size) intergrown with garutiite.

Place of Conservation of Type Material:

Mineralogical Museum of Leoben, Peter Tunner Strasse 5, Leoben, Austria, catalogue number 8241.

Geological Setting of Type Material:

Ophiolitic chromitite.

Associated Minerals at Type Locality:

Chromite

Garutiite

Hexaferrum

Reference:

Synonyms of ZaccariniiteHide

IMA2011-086

Other Language Names for ZaccariniiteHide

Dutch:Zaccariniiet

German:Zaccariniit

Common AssociatesHide

Associations Based on Photo Data:

1 photo of Zaccariniite associated with Ferronickelplatinum	Pt₂FeNi
1 photo of Zaccariniite associated with Native Ruthenium	(Ru,Ir)
1 photo of Zaccariniite associated with Nipalarsite	Ni₈Pd₃As₄
1 photo of Zaccariniite associated with Garutiite	(Ni,Fe,Ir)

Related Minerals - Strunz-mindat Grouping Hide

2.AA.	Trigodomeykite	Cu_3-xAs	Trig. 3 : P3
2.AA.10b	Domeykite	Cu₃As	Iso. 4 3m : I4 3d
2.AA.10a	Algodonite	(Cu_1-xAs_x)	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
2.AA.10d	Koutekite	Cu₅As₂	Hex.
2.AA.15	Novákite	(Cu,Ag)₂₁As₁₀	Mon.
2.AA.20	Cuprostibite	Cu₂(Sb,Tl)	Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
2.AA.25	Kutinaite	Ag₆Cu₁₄As₇	Iso. m3m (4/m 3 2/m)
2.AA.30	Allargentum	(Ag_1-xSb_x)	Hex.
2.AA.35	Dyscrasite	Ag₃Sb	Orth. mm2 : Pmm2
2.AA.40	Maldonite	Au₂Bi	Iso. m3m (4/m 3 2/m) : Fd3m
2.AA.45	Stistaite	SnSb	Trig. 3m (3 2/m) : R3m
2.AA.55	Dienerite	Ni₃As	Iso. 4 3m : I4 3d

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 ZaccariniiteHide

mindat.org URL:

https://www.mindat.org/min-42874.html
Please feel free to link to this page.

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External Links:

Look for Zaccariniite on Webmineral

Look for Zaccariniite on Wikipedia

Look for Zaccariniite on Mineralien Atlas

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 ZaccariniiteHide

Reference List:

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2012) New minerals and nomenclature modifications approved in 2012. CNMNC Newsletter No 12. Mineralogical Magazine, 76 (1) 151-155 doi:10.1180/minmag.2012.076.1.151

(2014) Zaccariniite. Handbook of Mineralogy. Mineralogical Society of America

Roqué Rosell, Josep, Portillo Serra, Joaquim, Aiglsperger, Thomas, Plana-Ruiz, Sergi, Trifonov, Trifon, Proenza, Joaquín A. (2018) Au crystal growth on natural occurring Au—Ag aggregate elucidated by means of precession electron diffraction (PED). Journal of Crystal Growth, 483. 228-235 doi:10.1016/j.jcrysgro.2017.11.031

Ibáñez-Insa, Jordi (2022) Crystal Structure Prediction and Lattice Dynamical Calculations for the Rare Platinum-Group Mineral Zaccariniite (RhNiAs) Minerals, 12 (1) 98 doi:10.3390/min12010098

Localities for ZaccariniiteHide

Showing 20 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.

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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.


Canada
Newfoundland and Labrador Newfoundland Baie Verte Peninsula ⓘ Middle Arm Brook prospect	12 (12) +1 other reference
Québec Chaudière-Appalaches Les Appalaches RCM Thetford Mines ⓘ Black Lake ?	Corrivaux et al. (1990) +1 other reference

Dominican Republic (TL)
Monseñor Nouel Province Bonao Falcondo Mines ⓘ Loma Peguera deposit (TL)	Williams et al. (2012) +1 other reference

Greece
Central Macedonia Imathia ⓘ Veria ophiolite complex	12 (12) +1 other reference

Indonesia
South Kalimantan Province ⓘ Sebuku	12 (12) +1 other reference
ⓘ Sungabali	Idrus et al. (2022)

Japan
Hokkaidō Prefecture Rumoi Subprefecture Obira (Rumoi District) ⓘ Kamikinenbetsu River	NISHIO–HAMANE et al. (2022)
Tomamae District ⓘ Moshosanbetsu River	NISHIO–HAMANE et al. (2022)
Shosanbetsu ⓘ Minamichiyoda	NISHIO–HAMANE et al. (2022)
Tomamae ⓘ Tomamae coast	NISHIO–HAMANE et al. (2022)
Sorachi Subprefecture Numata ⓘ Numatapongawa	NISHIO–HAMANE et al. (2022)

Russia
Buryatia Okinsky District ⓘ Ulan-Sar’dag Ophiolite	Kiseleva +3 other references
Tunkinsky District ⓘ Kharanur	12 (12) +1 other reference
Chelyabinsk Oblast ⓘ Miass River	Specimen auctioned by Carsten Slotta
Sayan Mountains ⓘ Il’chir ophiolite belt	Kiseleva et al. (2014)
ⓘ Ospa–Kitoi massif (Ospin–Kitoi massif)	12 (12) +1 other reference

Saudi Arabia
Medina Region ⓘ Al ‘Ays ophiolite complex	12 (12) +1 other reference

South Africa
Limpopo Sekhukhune District Municipality Fetakgomo Tubatse Local Municipality ⓘ Mooihoek Farm 255 KT	Rudashevsky et al. (1992) +1 other reference
Steelpoort ⓘ Onverwacht Mine	Oberthür et al. (2021)

Spain
Galicia A Coruña ⓘ Herbeira ultramafic massif	García-Tudela et al. (2024)

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Zaccariniite

About ZaccariniiteHide

Unique IdentifiersHide

IMA Classification of ZaccariniiteHide