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Parabutlerite

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About ParabutleriteHide

Formula:
Fe3+(SO4)(OH) · 2H2O
Colour:
Pale orange to pale orange-brown; light yellow in transmitted light.
Lustre:
Vitreous
Hardness:
Specific Gravity:
2.55
Crystal System:
Orthorhombic
Name:
Named in 1938 by Mark Chance Bandy for its resemblance to Butlerite.
Dimorph of:
This page provides mineralogical data about Parabutlerite.


Classification of ParabutleriteHide

Approved, 'Grandfathered' (first described prior to 1959)
7.DC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
C : With only medium-sized cations; chains of edge-sharing octahedra
31.9.2.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
25.10.16

25 : Sulphates
10 : Sulphates of Fe alone

Physical Properties of ParabutleriteHide

Vitreous
Colour:
Pale orange to pale orange-brown; light yellow in transmitted light.
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
On {110}, poor.
Fracture:
Conchoidal
Density:
2.55 g/cm3 (Measured)    

Optical Data of ParabutleriteHide

Type:
Biaxial (+)
RI values:
nα = 1.598 nβ = 1.663 nγ = 1.737
2V:
Measured: 87° , Calculated: 90°
Max Birefringence:
δ = 0.139
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v weak
Pleochroism:
Visible
Comments:
Alcaparrosa material:
X = b = Light yellow
Y = c = Greenish yellow
Z = a = Brownish yellow

Argentinian material:
X = b = Colourless
Y = c = Faint yellow
Z = a = Light yellow
Comments:
NOTE: 2V value for Argentinian material = 43°30'.

Chemical Properties of ParabutleriteHide

Formula:
Fe3+(SO4)(OH) · 2H2O

Crystallography of ParabutleriteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 20.0789(8) Å, b = 7.4024(7) Å, c = 7.2294(15) Å
Ratio:
a:b:c = 2.712 : 1 : 0.977
Unit Cell V:
1,074.52 ų (Calculated from Unit Cell)
Morphology:
Crystals prismatic [001]. The prism zone is striated [001].
Twinning:
On {142}, rare.
Comment:
Space group Pnma(0β0)​s0s; the structure is commensurately modulated, with a = 20.0789 (8), b = 7.4024 (7), c = 7.2294 (15) Å and q = 0.4b* (Plášil et al., 2017).

Epitaxial Relationships of ParabutleriteHide

Epitaxial Minerals:
ButleriteFe3+(SO4)(OH) · 2H2O
Epitaxy Comments:
Intergrowths, with {011} of parabutlerite nearly parallel to {001} and {100} of butlerite.

Type Occurrence of ParabutleriteHide

Other Language Names for ParabutleriteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Botryogen18 photos of Parabutlerite associated with Botryogen on mindat.org.
Copiapite14 photos of Parabutlerite associated with Copiapite on mindat.org.
Butlerite9 photos of Parabutlerite associated with Butlerite on mindat.org.
Halotrichite6 photos of Parabutlerite associated with Halotrichite on mindat.org.
Voltaite2 photos of Parabutlerite associated with Voltaite on mindat.org.
Coquimbite2 photos of Parabutlerite associated with Coquimbite on mindat.org.
Alunogen2 photos of Parabutlerite associated with Alunogen on mindat.org.
Ferricopiapite1 photo of Parabutlerite associated with Ferricopiapite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DC.05AluminiteAl2(SO4)(OH)4 · 7H2OMon. 2/m : P21/b
7.DC.05Meta-aluminiteAl2(SO4)(OH)4 · 5H2O
7.DC.10ButleriteFe3+(SO4)(OH) · 2H2OMon. 2/m : P21/m
7.DC.15FibroferriteFe3+(SO4)(OH) · 5H2OMon.
7.DC.20XitieshaniteFe3+(SO4)Cl · 6H2OMon.
7.DC.25BotryogenMgFe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.25Zincobotryogen(Zn,Mg,Mn2+)Fe3+(SO4)2(OH) · 7H2OMon. 2/m
7.DC.30ChaidamuiteZnFe3+(SO4)2(OH) · 4H2OTric. 1 : P1
7.DC.30GuilditeCuFe3+(SO4)2(OH) · 4H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.10.1SzomolnokiteFeSO4 · H2OMon. 2/m : B2/b
25.10.2RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
25.10.3SiderotilFeSO4 · 5H2OTric.
25.10.4FerrohexahydriteFeSO4 · 6H2OMon. 2/m : B2/b
25.10.5MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m : P21/b
25.10.6Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
25.10.7LauseniteFe2(SO4)3·5H2OMon. 2/m : P21/m
25.10.8KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
25.10.9CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5Trig. 3m (3 2/m) : P3 1c
25.10.10ParacoquimbiteFe2(SO4)3 · 9H2OTrig. 3 : R3
25.10.11QuenstedtiteFe2(SO4)3 · 11H2OTric. 1 : P1
25.10.12FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
25.10.13MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
25.10.14HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
25.10.15ButleriteFe3+(SO4)(OH) · 2H2OMon. 2/m : P21/m
25.10.17AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
25.10.18FibroferriteFe3+(SO4)(OH) · 5H2OMon.
25.10.19Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
25.10.20RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric. 1 : P1
25.10.21BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m : P21/b
25.10.22CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1

Other InformationHide

Notes:
Insoluble in cold or hot water; soluble in dilute acids.

Observed as pseudomorphs after copiapite.
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 ParabutleriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bandy (1938) American Mineralogist: 23: 742-745.
Gordon (1941) Academy of Sciences of Philadelphia, Not. Nat., no. 89.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 610-611.
Bulletin de Mineralogie (1970): 93: 185-189.
Plášil, J., Petříček, V., Majzlan, J. (2017): A commensurately modulated structure of parabutlerite, FeIIISO4(OH)​·2H2O. Acta Crystallographica, B73, 856-862.

Internet Links for ParabutleriteHide

Localities for ParabutleriteHide

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.
Argentina
 
  • San Juan
    • Calingasta Department
      • Calingasta
        • Quebrada Alcaparrosa
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 611, 1014.
Canada
 
  • Newfoundland and Labrador
    • Newfoundland
      • Baie Verte Peninsula
        • Tilt Cove
Norman Wilson collection
Chile (TL)
 
  • Antofagasta Region
    • El Loa Province
      • Calama
        • Cerritos Bayos
Amer.Min.(1938) 23, 742-745; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 611.; Kampf, A.R.; Mills, S.J.; Housley, R.M.; Williams, P.A.; Dini, M. (2012): Alcaparrosaite, K3Ti4+Fe3+(SO4)4O(H2O)2, a new hydrophobic Ti4+ sulfate from Alcaparrosa, Chile. Mineralogical Magazine 76, 851-861.
        • Chuquicamata District
Bandy (1938) American Mineralogist: 23: 742-745; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 611.
          • Toki Cu deposit (Toki Cluster)
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 611.
  • Atacama Region
    • Copiapó Province
  • Tarapacá Region
    • El Tamarugal Province
      • Pampa del Tamarugal
Peter G. Seroka collection
China
 
  • Xinjiang Autonomous Region
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Hami Co. (Kumul Co.; Qumul Co.)
Xu Ying-xia, Ding Kui-shou, Qin Ke-zhang, Miao Yu, Fang Tong-hui, Xu Xing-wang, and Sun He (2006): Geology in China 33(3), 605-616.
Cyprus
 
  • Nicosia District (Lefkoşa District; Lefkosia District)
    • Mitsero
rruff.geo.arizona.edu/doclib/hom/parabutlerite.pdf
Hungary
 
  • Fejér Co.
    • Vértes Mts
ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
  • Veszprém Co.
    • Bakony Mts
      • Nyirád
ACTA MIN. PETR. Suppl. Tomus XXXVIII., 1997
Iran
 
  • Yazd Province
    • Saghand (Sagand; Saqand)
Bariand, P., Cesbron, F. & Berthelon, J. P. (1977): Iron sulfates of Saghand near Yazd (Iran). Memoire Hors-Série de la Société Géologique de France 8, 77-85.; Bariand, P., Berthelon, J. P., Cesbron, F. & Sadrzadeh, M. (1973): New aluminum sulfate hydrate, khademite of Saghand (Iran). Comptes Rendus des Seances de l'Académie des Sciences, Série C, 277, 1585-1588 (in French).
Spain
 
  • Andalusia
    • Huelva
      • Minas de Riotinto
[MinRec 27:284]
USA
 
  • California
    • Inyo Co.
      • Coso Mts (Coso Range)
        • Coso District (New Coso District)
          • Coso Hot Springs
            • Coso Hot Springs deposit
www.mineralsocal.org
  • New Mexico
    • Santa Fe Co.
Minerals of New Mexico 3rd ed.
Minerals of New Mexico 3rd ed.
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
        • Calf Mesa
UGMS Bull 117 Minerals and Mineral Localities of Utah
Am.Min.40:469
Mineral and/or Locality  
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