Renamed from gersdorffite-Pa3 to paragersdorffite by the IMA in 2022. The 'para' prefix indicates that it is a polymorph of gersdorffite but that they share the same crystal system.

Polymorph of:

Gersdorffite, Orthogersdorffite

A disordered pyrite-type structural polymorph of gersdorffite (also cubic) and orthogersdorffite (orthorhombic-pseudocubic).

Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:

47656

Long-form identifier:

mindat:1:1:47656:4

GUID
(UUID V4):

d913faae-6d1c-456a-8949-b836054b9208

IMA Classification of ParagersdorffiteHide

IMA status:

Approved

IMA status notes:

Redefined by the IMA

IMA Formula:

NiAsS

First published:

1982

Classification of ParagersdorffiteHide

Strunz-mindat (2023):

2.EB.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.

Mineral SymbolsHide

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

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference
Gdf-Pa3	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Gdf	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of ParagersdorffiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Metallic white

Streak:

grayish black

Hardness:

5½ on Mohs scale

Hardness:

VHN₁₀₀=657 - 767 kg/mm² - Vickers

Cleavage:

Perfect
{100}

Fracture:

Irregular/Uneven

Density:

5.9 g/cm³ (Measured) 5.966 g/cm³ (Calculated)

Chemistry of ParagersdorffiteHide

Mindat Formula:

Ni(As,S)₂

Elements listed:

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

Crystallography of ParagersdorffiteHide

Crystal System:

Isometric

Class (H-M):

m3 (2/m 3) - Diploidal

Space Group:

Pa3

Setting:

Pa3

Cell Parameters:

a = 5.7053 Å

Unit Cell V:

185.71 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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

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

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

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)
0000168	Paragersdorffite	Bayliss P (1968) The crystal structure of disordered gersdorffite American Mineralogist 53 290-293		1968		0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Gersdorffite-Pa3'
loop_
_publ_author_name
'Bayliss P'
_journal_name_full 'American Mineralogist'
_journal_volume 53 
_journal_year 1968
_journal_page_first 290
_journal_page_last 293
_publ_section_title
;
 The crystal structure of disordered gersdorffite
;
_database_code_amcsd 0000168
_chemical_formula_sum 'Ni (As1.23 S.77)'
_cell_length_a 5.7053
_cell_length_b 5.7053
_cell_length_c 5.7053
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 185.710
_exptl_crystal_density_diffrn      6.278
_symmetry_space_group_name_H-M 'P a 3'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+z,x,1/2-y'
  'z,1/2-x,1/2+y'
  '1/2-z,1/2+x,y'
  '-z,-x,-y'
  '1/2+y,1/2-z,-x'
  '1/2-y,-z,1/2+x'
  '-y,1/2+z,1/2-x'
  'y,z,x'
  'x,1/2-y,1/2+z'
  '1/2-x,1/2+y,z'
  '1/2+x,y,1/2-z'
  '-x,-y,-z'
  '1/2-z,-x,1/2+y'
  '-z,1/2+x,1/2-y'
  '1/2+z,1/2-x,-y'
  'z,x,y'
  '1/2-y,1/2+z,x'
  '1/2+y,z,1/2-x'
  'y,1/2-z,1/2+x'
  '-y,-z,-x'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/2-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ni   0.00000   0.00000   0.00000   1.00000   0.01520
As   0.37850   0.37850   0.37850   0.61500   0.01140
S   0.37850   0.37850   0.37850   0.38500   0.01140

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
2.545 Å	(100)
2.325 Å	(90)
1.716 Å	(80)
2.848 Å	(60)
2.013 Å	(35)
1.521 Å	(35)
1.096 Å	(20)

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])
Stage 4b: Highly evolved igneous rocks	>3.0
37 : Layered igneous intrusions and related PGE minerals

Synonyms of ParagersdorffiteHide

Gersdorffite-Pa3

Related Minerals - Strunz-mindat Grouping Hide

2.EB.	Iridarsenite	(Ir,Ru)As₂	Mon. 2/m : P2₁/b
2.EB.	Selenolaurite	RuSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.	Andrieslombaardite	RhSbS	Iso. 2 3 : P2₁ 3
2.EB.	Kanatzidisite	(SbBiS₃)₂Te₂	Mon. 2/m : P2₁/m
2.EB.05a	Aurostibite	AuSb₂	Iso. m3 (2/m 3) : Pa3
2.EB.05b	Bambollaite	Cu(Se,Te)₂	Tet.
2.EB.05a	Cattierite	CoS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Erlichmanite	OsS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Fukuchilite	Cu₃FeS₈	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Geversite	PtSb₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Hauerite	MnS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Insizwaite	Pt(Bi,Sb)₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Krut'aite	CuSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Laurite	RuS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Penroseite	(Ni,Co,Cu)Se₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Pyrite	FeS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Sperrylite	PtAs₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Trogtalite	CoSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Vaesite	NiS₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Villamanínite	(Cu,Ni,Co,Fe)S₂	Tric.
2.EB.05a	Dzharkenite	FeSe₂	Iso. m3 (2/m 3) : Pa3
2.EB.05a	Gaotaiite	Ir₃Te₈	Iso. m3 (2/m 3) : Pa3
2.EB.05a v	Cayeuxite
2.EB.10b	Alloclasite	Co_1-xFe_xAsS	Mon. 2 : P2₁
2.EB.10d	Costibite	CoSbS	Orth. mm2 : Pmn2₁
2.EB.10a	Ferroselite	FeSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Frohbergite	FeTe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10c	Glaucodot	(Co_0.50Fe_0.50)AsS	Orth. mm2 : Pmn2₁
2.EB.10a	Kullerudite	NiSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Marcasite	FeS₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10a	Mattagamite	CoTe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10e	Paracostibite	CoSbS	Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10e	Pararammelsbergite	NiAs₂	Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10f	Oenite	CoSbAs	Orth.
2.EB.10a	Petříčekite	CuSe₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Anduoite	(Ru,Os)As₂	Orth.
2.EB.15a	Clinosafflorite	CoAs₂	Mon. 2/m : P2₁/m
2.EB.15a	Löllingite	FeAs₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Nisbite	NiSb₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Omeiite	(Os,Ru)As₂	Orth.
2.EB.15c	Paxite	CuAs₂	Mon. 2/m : P2₁/b
2.EB.15a	Rammelsbergite	NiAs₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15a	Safflorite	(Co,Ni,Fe)As₂	Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15b	Seinäjokite	(Fe,Ni)(Sb,As)₂	Orth.
2.EB.20	Arsenopyrite	FeAsS	Mon. 2/m : P2₁/b
2.EB.20	Gudmundite	FeSbS	Mon. 2/m : P2₁/b
2.EB.20	Osarsite	(Os,Ru)AsS	Mon.
2.EB.20	Ruarsite	(Ru,Os)AsS	Mon.
2.EB.25 va	Antimony-bearing Gersdorffite	Ni(As,Sb)S
2.EB.25	Cobaltite	CoAsS	Orth. mm2 : Pca2₁
2.EB.25	Gersdorffite	NiAsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Hollingworthite	(Rh,Pt,Pd)AsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Irarsite	(Ir,Ru,Rh,Pt)AsS	Iso. m3 (2/m 3) : Pa3
2.EB.25	Jolliffeite	NiAsSe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Krutovite	NiAs₂	Iso. 2 3 : P2₁ 3
2.EB.25	Maslovite	PtBiTe	Iso. 2 3 : P2₁ 3
2.EB.25	Michenerite	PdBiTe	Iso. 2 3 : P2₁ 3
2.EB.25	Padmaite	PdBiSe	Iso. 4 3 2
2.EB.25	Platarsite	Pt(As,S)₂	Iso. m3 (2/m 3) : Pa3
2.EB.25	Testibiopalladite	PdSbTe	Iso.
2.EB.25	Tolovkite	IrSbS	Iso.
2.EB.25	Ullmannite	NiSbS	Iso. 2 3 : P2₁ 3
2.EB.25	Willyamite	CoSbS
2.EB.25	Changchengite	IrBiS	Iso. 2 3 : P2₁ 3
2.EB.25	Mayingite	IrBiTe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Kalungaite	PdAsSe	Iso. m3 (2/m 3) : Pa3
2.EB.25	Milotaite	PdSbSe	Iso. 2 3 : P2₁ 3
2.EB.25	Orthogersdorffite	NiAsS	Orth. mm2 : Pca2₁
2.EB.30	Urvantsevite	Pd(Bi,Pb)₂	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.EB.35	Rheniite	ReS₂	Tric. 1 : P1

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 ParagersdorffiteHide

mindat.org URL:

https://www.mindat.org/min-47656.html
Please feel free to link to this page.

Search Engines:

Look for Paragersdorffite on Google

Look for Paragersdorffite images on Google

Look for Paragersdorffite on Bing

Look for Paragersdorffite images on Bing

Look for Paragersdorffite on DuckDuckGo

Look for Paragersdorffite images on DuckDuckGo

Look for Paragersdorffite in the Rock H. Currier Digital Library

External Links:

Look for Paragersdorffite on Webmineral

Look for Paragersdorffite on Wikipedia

Look for Paragersdorffite 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:

Fine Minerals from Weinrich Minerals, Inc.

Buy rare minerals from Excalibur Minerals

Buy from David K Joyce minerals

Buy from McDougall Minerals

High-end worldwide specimens & outstanding customer service

The Arkenstone - Fine Minerals

Wilensky Exquisite Minerals

Blue Gems Australian & International

References for ParagersdorffiteHide

Reference List:

Haidinger, W. (1845) Zweite Klasse: Geogenide. XIII. Ordnung. Kiese. III. Kobaltkies. Gersdorffit, in Handbuch der Bestimmenden Mineralogie, Bei Braumüller and Seidel (Wien): 559-562.

Bayliss, P. (1982) A further crystal structure refinement of gersdorffite. American Mineralogist, 67 (9-10) 1058-1064

Miyawaki, R., Hatert, F., Pasero, M., and Mills, S.J. (2022) Nomenclature and classification proposals approved in August 2022. IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 69. European Journal of Mineralogy, 34, 463–468.

Localities for ParagersdorffiteHide

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

- 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.

Zimbabwe

Matabeleland South

Gwanda - Filabusi District

Gwanda

ⓘ Farvic mine

Bayliss, P. (1982) A further crystal structure refinement of gersdorffite. American Mineralogist, 67 (9-10) 1058-1064

Quick NavTop Unique Identifiers IMA Classification Classification Mineral Symbols Physical Properties Chemistry Crystallography Crystal Structure X-Ray Powder Diffraction Geological Environment Synonyms Strunz-Mindat Other Information Internet Links References Localities Locality List

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 10, 2024 20:29:28 Page updated: November 25, 2023 10:44:22

Go to top of page

Paragersdorffite

Unique IdentifiersHide

IMA Classification of ParagersdorffiteHide

Classification of ParagersdorffiteHide

Mineral SymbolsHide

Physical Properties of ParagersdorffiteHide

Chemistry of ParagersdorffiteHide

Crystallography of ParagersdorffiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Synonyms of ParagersdorffiteHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for ParagersdorffiteHide

References for ParagersdorffiteHide

Localities for ParagersdorffiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide