Dwornikite

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Dwornikite

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia

Dwornikite, etc.

Ragra Mine, Huayllay District, Pasco Province, Pasco, Peru

Dwornikite

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia

Dwornikite

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia

Dwornikite, etc.

Ragra Mine, Huayllay District, Pasco Province, Pasco, Peru

Dwornikite

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia

Dwornikite

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia

Dwornikite, etc.

Ragra Mine, Huayllay District, Pasco Province, Pasco, Peru

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About DwornikiteHide

Formula:

(Ni,Fe)SO₄ · H₂O

Colour:

White, faint greenish tint (perhaps from impurities)

Hardness:

2 - 3

Specific Gravity:

3.34 (Calculated)

Crystal System:

Monoclinic

Member of:

Kieserite Group

Name:

Named in 1982 by Charles Milton, Howard T. Evans, Jr., and Robert G. Johnson in honor of Edward J. Dwornik [March 23, 1920 USA - August 7, 2004 Lewes, Delaware, USA], analytical chemist and mineralogist for the United States Geological Survey.

Type Locality:

ⓘ Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco, Peru

This page provides mineralogical data about Dwornikite.

Classification of DwornikiteHide

IMA status:

Approved

Approval year:

1981

First published:

1982

Strunz 8th ed.:

6/C.01-40

Nickel-Strunz 10th (pending) ed.:

7.CB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H₂O
B : With only medium-sized cations

Dana 8th ed.:

29.6.2.6

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO₄·xH₂O

Hey's CIM Ref.:

25.12.10

25 : Sulphates
12 : Sulphates of Co and Ni

Physical Properties of DwornikiteHide

Colour:

White, faint greenish tint (perhaps from impurities)

Streak:

White

Hardness:

2 - 3 on Mohs scale

Density:

3.34 g/cm³ (Calculated)

Optical Data of DwornikiteHide

Type:

Biaxial

Dispersion:

r > v

Chemical Properties of DwornikiteHide

Formula:

(Ni,Fe)SO₄ · H₂O

IMA Formula:

Ni(SO₄) · H₂O

Elements listed:

Fe, H, Ni, O, S - search for minerals with similar chemistry

Crystallography of DwornikiteHide

Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Space Group:

B2/b

Cell Parameters:

a = 6.83 Å, b = 7.58 Å, c = 7.47 Å
β = 117.85°

Ratio:

a:b:c = 0.901 : 1 : 0.985

Unit Cell V:

341.94 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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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)
0014854	Dwornikite	Wildner M, Giester G (1991) The crystal structures of kieserite-type compounds. I. Crystal structures of Me(II)SO4H2O (Me = Mn,Fe,Co,Ni,Zn)* Neues Jahrbuch fur Mineralogie, Monatshefte 1991 296-306		1991	synthetic	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Dwornikite'
loop_
_publ_author_name
'Wildner M'
'Giester G'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1991 
_journal_year 1991
_journal_page_first 296
_journal_page_last 306
_publ_section_title
;
 The crystal structures of kieserite-type compounds.
 I. Crystal structures of Me(II)SO4*H2O (Me = Mn,Fe,Co,Ni,Zn)
;
_database_code_amcsd 0014854
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Ni S O5 H2'
_cell_length_a 6.824
_cell_length_b 7.594
_cell_length_c 7.457
_cell_angle_alpha 90
_cell_angle_beta 117.79
_cell_angle_gamma 90
_cell_volume 341.862
_exptl_crystal_density_diffrn      3.357
_symmetry_space_group_name_H-M 'C 1 2/c 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-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
_atom_site_U_iso_or_equiv
Ni   0.00000   0.50000   0.00000 ?
S   0.00000   0.15667   0.25000 ?
O1   0.17240   0.04690   0.40310 ?
O2   0.10320   0.26970   0.15480 ?
O3   0.00000   0.63160   0.25000 ?
H   0.09400   0.70600   0.28300   0.03760
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ni 0.01190 0.01080 0.01090 -0.00010 0.00530 0.00040
S 0.01070 0.00990 0.01120 0.00000 0.00510 0.00000
O1 0.01250 0.01850 0.01740 0.00390 0.00600 0.00660
O2 0.01560 0.01320 0.01770 0.00120 0.00970 0.00370
O3 0.01350 0.01290 0.01280 0.00000 0.00580 0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.342 Å	(100)
4.732 Å	(70)
3.024 Å	(70)
4.754 Å	(50)
3.293 Å	(35)
2.491 Å	(35)

Type Occurrence of DwornikiteHide

Type Locality:

ⓘ Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco, Peru

General Appearance of Type Material:

White aggregates of very fine-grained particles mixed with other minerals

Place of Conservation of Type Material:

George Washington University, Washington, DC

Associated Minerals at Type Locality:

Patrónite

Bravoite

Reference:

Milton, C., Evans, H.T., Johnson, R.G. (1982) Dwornikite, (Ni,Fe)SO4·H2O, a member of the kieserite group from Minasragra, Peru. Mineralogical Magazine: 46: 351-355.

Download:

https://rruff.info/rruff_1.0/uploads/MM46_351.pdf

Synonyms of DwornikiteHide

IMA1981-031

Other Language Names for DwornikiteHide

German:Dwornikit

Russian:Дворникит

Spanish:Dwornikita

Relationship of Dwornikite to other SpeciesHide

Member of:

Kieserite Group

Other Members of this group:

Cobaltkieserite	CoSO₄ · H₂O	Mon. 2/m : B2/b
Gunningite	ZnSO₄ · H₂O	Mon. 2/m : B2/b
Kieserite	MgSO₄ · H₂O	Mon. 2/m
Serrabrancaite	MnPO₄ · H₂O	Mon. 2/m : B2/b
Szmikite	MnSO₄ · H₂O	Mon.
Szomolnokite	FeSO₄ · H₂O	Mon. 2/m : B2/b

Related Minerals - Nickel-Strunz Grouping Hide

7.CB.05	Gunningite	ZnSO₄ · H₂O	Mon. 2/m : B2/b
7.CB.05	Kieserite	MgSO₄ · H₂O	Mon. 2/m
7.CB.05	Poitevinite	(Cu,Fe)SO₄ · H₂O	Tric.
7.CB.05	Szmikite	MnSO₄ · H₂O	Mon.
7.CB.05	Szomolnokite	FeSO₄ · H₂O	Mon. 2/m : B2/b
7.CB.05	Cobaltkieserite	CoSO₄ · H₂O	Mon. 2/m : B2/b
7.CB.07	Sanderite	MgSO₄ · 2H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
7.CB.10	Bonattite	CuSO₄ · 3H₂O	Mon.
7.CB.15	Aplowite	(Co,Mn,Ni)SO₄ · 4H₂O	Mon. 2/m
7.CB.15	Boyleite	(Zn,Mg)SO₄ · 4H₂O	Mon. 2/m : P2₁/b
7.CB.15	Ilesite	(Mn,Zn,Fe)SO₄ · 4H₂O	Mon. 2/m
7.CB.15	Rozenite	FeSO₄ · 4H₂O	Mon. 2/m : P2₁/b
7.CB.15	Starkeyite	MgSO₄ · 4H₂O	Mon. 2/m : P2₁/b
7.CB.15	Drobecite	CdSO₄ · 4H₂O	Mon. 2/m : P2₁/m
7.CB.15	Cranswickite	MgSO₄ · 4H₂O	Mon. m : Bb
7.CB.20	Chalcanthite	CuSO₄ · 5H₂O	Tric. 1 : P1
7.CB.20	Jôkokuite	MnSO₄ · 5H₂O	Tric.
7.CB.20	Pentahydrite	MgSO₄ · 5H₂O	Tric.
7.CB.20	Siderotil	FeSO₄ · 5H₂O	Tric.
7.CB.25	Bianchite	(Zn,Fe)SO₄ · 6H₂O	Mon. 2/m : P2/m
7.CB.25	Chvaleticeite	(Mn,Mg)SO₄ · 6H₂O	Mon. 2/m : B2/b
7.CB.25	Ferrohexahydrite	FeSO₄ · 6H₂O	Mon. 2/m : B2/b
7.CB.25	Hexahydrite	MgSO₄ · 6H₂O	Mon. 2/m : P2/m
7.CB.25	Moorhouseite	(Co,Ni,Mn)SO₄ · 6H₂O	Mon.
7.CB.25	Nickelhexahydrite	(Ni,Mg,Fe)SO₄ · 6H₂O	Mon.
7.CB.30	Retgersite	NiSO₄ · 6H₂O	Tet. 4 2 2 : P4₁ 2₁ 2
7.CB.35	Bieberite	CoSO₄ · 7H₂O	Mon. 2/m : P2/m
7.CB.35	Boothite	CuSO₄ · 7H₂O	Mon.
7.CB.35	Mallardite	MnSO₄ · 7H₂O	Mon. 2/m : P2/m
7.CB.35	Melanterite	Fe²⁺(H₂O)₆SO₄ · H₂O	Mon. 2/m : P2₁/b
7.CB.35	Zincmelanterite	(Zn,Cu,Fe)SO₄ · 7H₂O	Mon.
7.CB.35	Alpersite	(Mg,Cu)(SO₄) · 7H₂O	Mon. 2/m : P2₁/b
7.CB.40	Epsomite	MgSO₄ · 7H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
7.CB.40	Goslarite	ZnSO₄ · 7H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
7.CB.40	Morenosite	NiSO₄ · 7H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
7.CB.45	Alunogen	Al₂(SO₄)₃ · 17H₂O	Tric. 1
7.CB.45	Meta-alunogen	Al₂(SO₄)₃ · 12H₂O
7.CB.50	Aluminocoquimbite	Al₂Fe₂(SO₄)₆(H₂O)₁₂ · 6H₂O	Trig. 3m (3 2/m) : P3 1c
7.CB.55	Coquimbite	AlFe₃(SO₄)₆(H₂O)₁₂ · 6H₂O	Trig. 3m (3 2/m) : P3 1c
7.CB.55	Paracoquimbite	Fe₄(SO4)₆(H₂O)₁₂ · 6H₂O	Trig. 3 : R3
7.CB.55	Rhomboclase	(H₅O₂)Fe³⁺(SO₄)₂ · 2H₂O	Orth. mmm (2/m 2/m 2/m) : Pnma
7.CB.60	Kornelite	Fe₂(SO₄)₃ · 7H₂O	Mon. 2/m : P2₁/m
7.CB.65	Quenstedtite	Fe₂(SO₄)₃ · 11H₂O	Tric. 1 : P1
7.CB.70	Lausenite	Fe₂(SO₄)₃ · 5H₂O	Mon. 2/m : P2₁/m
7.CB.75	Lishizhenite	ZnFe₂(SO₄)₄ · 14H₂O	Tric. 1 : P1
7.CB.75	Römerite	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O	Tric. 1 : P1
7.CB.80	Ransomite	CuFe₂(SO₄)₄ · 6H₂O	Mon. 2/m : P2₁/b
7.CB.85	Apjohnite	Mn²⁺Al₂(SO₄)₄ · 22H₂O	Mon.
7.CB.85	Bílinite	Fe²⁺Fe³⁺₂(SO₄)₄ · 22H₂O	Mon. 2/m : P2₁/b
7.CB.85	Dietrichite	(Zn,Fe²⁺,Mn²⁺)Al₂(SO₄)₄ · 22H₂O	Mon. 2/m : P2₁/b
7.CB.85	Halotrichite	FeAl₂(SO₄)₄ · 22H₂O	Mon. 2 : P2
7.CB.85	Pickeringite	MgAl₂(SO₄)₄ · 22H₂O	Mon. 2/m : P2₁/b
7.CB.85	Redingtonite	(Fe²⁺,Mg,Ni)(Cr,Al)₂(SO₄)₄ · 22H₂O	Mon.
7.CB.85	Wupatkiite	(Co,Mg,Ni)Al₂(SO₄)₄ · 22H₂O	Mon.
7.CB.90	Meridianiite	MgSO₄ · 11H₂O	Tric. 1 : P1

Related Minerals - Dana Grouping (8th Ed.)Hide

29.6.2.1	Kieserite	MgSO₄ · H₂O	Mon. 2/m
29.6.2.2	Szomolnokite	FeSO₄ · H₂O	Mon. 2/m : B2/b
29.6.2.3	Szmikite	MnSO₄ · H₂O	Mon.
29.6.2.4	Poitevinite	(Cu,Fe)SO₄ · H₂O	Tric.
29.6.2.5	Gunningite	ZnSO₄ · H₂O	Mon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals Grouping Hide

25.12.1	Bieberite	CoSO₄ · 7H₂O	Mon. 2/m : P2/m
25.12.2	Cobaltzippeite	Co(UO₂)₂(SO₄)O₂ · 3.5H₂O	Mon. 2/m : B2/m
25.12.3	Aplowite	(Co,Mn,Ni)SO₄ · 4H₂O	Mon. 2/m
25.12.4	Moorhouseite	(Co,Ni,Mn)SO₄ · 6H₂O	Mon.
25.12.5	Retgersite	NiSO₄ · 6H₂O	Tet. 4 2 2 : P4₁ 2₁ 2
25.12.6	Morenosite	NiSO₄ · 7H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
25.12.7	Nickelblödite	Na₂(Ni,Mg)(SO₄)₂ · 4H₂O	Mon. 2/m : P2₁/b
25.12.8	Nickelboussingaultite	(NH₄)₂Ni(SO₄)₂ · 6H₂O	Mon. 2/m : P2₁/b
25.12.9	Nickelzippeite	Ni₂(UO₂)₆(SO₄)₃(OH)₁₀ · 16H₂O	Mon.
25.12.11	Honessite	(Ni_1-xFe³⁺_x)(OH)₂[SO₄]_x/2 · nH₂O	Trig.
25.12.12	Hydrohonessite	(Ni_1-xFe³⁺_x)(OH)₂(SO₄)_x/2 · nH₂O	Hex.
25.12.13	Nickelhexahydrite	(Ni,Mg,Fe)SO₄ · 6H₂O	Mon.

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.

References for DwornikiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Milton, C., Evans, H.T., Johnson, R.G. (1982) Dwornikite, (Ni,Fe)SO4·H2O, a member of the kieserite group from Minasragra, Peru. Mineralogical Magazine: 46: 351-355.

Dunn, P.J., Fleischer, M. (1983) New mineral names. American Mineralogist: 68: 642-645.

Wildner, M., Giester, G. (1991) The crystal structures of kieserite-type compounds. I. Crystal structures of Me(II)SO4·H2O (Me=Mn,Fe,Co,Ni,Zn). Neues Jahrbuch für Mineralogie, Monatshefte: 1991: 296-306.

Internet Links for DwornikiteHide

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https://www.mindat.org/min-1336.html
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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

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Localities for DwornikiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.


Peru (TL)
Pasco Pasco Province Huayllay District ⓘ Ragra Mine (Minasragra) (TL)	Milton, C., Evans, H.T., Johnson, R.G. (1982) Dwornikite, (Ni,Fe)SO4·H2O, a member of the kieserite group from Minasragra, Peru. Mineralogical Magazine: 46: 351-355.

Portugal
Aveiro Albergaria-a-Velha Branca ⓘ Palhal Mine	Marques de Sá, J. & Leal Gomes, C. (2010): Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, Portugal. Le Règne Minéral, 92, 36-47.

Russia
Sverdlovsk Oblast Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	RRUFF specimen ID: R070379

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Dwornikite

About DwornikiteHide

Classification of DwornikiteHide

Physical Properties of DwornikiteHide

Optical Data of DwornikiteHide

Chemical Properties of DwornikiteHide

Crystallography of DwornikiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Type Occurrence of DwornikiteHide

Synonyms of DwornikiteHide

Other Language Names for DwornikiteHide

Relationship of Dwornikite to other SpeciesHide

Related Minerals - Nickel-Strunz GroupingHide

Related Minerals - Dana Grouping (8th Ed.)Hide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

Other InformationHide

References for DwornikiteHide

Internet Links for DwornikiteHide

Localities for DwornikiteHide

Locality ListHide

Related Minerals - Nickel-Strunz Grouping Hide

Related Minerals - Hey's Chemical Index of Minerals Grouping Hide