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Ilesite

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About IlesiteHide

Formula:
(Mn,Zn,Fe)SO4 · 4H2O
Colour:
Green
Hardness:
2 - 3
Specific Gravity:
2.25
Crystal System:
Monoclinic
Member of:
Name:
Named in honor of Malvern Wells Iles (7 August 1852, Midway, Kentucky, USA - 9 January 1937, San Francisco, California, USA), a metallurgist active in Denver, Colorado, USA who first described the mineral.
Rozenite Group.

May dehydrate to szmikite.
May be a dehydration product of jôkokuite.


Classification of IlesiteHide

Approved, 'Grandfathered' (first described prior to 1959)
7.CB.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
29.6.6.3

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.9.9

25 : Sulphates
9 : Sulphates of Mn

Physical Properties of IlesiteHide

Transparency:
Transparent
Colour:
Green
Comment:
Turns white on dehydration.
Hardness:
2 - 3 on Mohs scale
Density:
2.25 g/cm3 (Measured)    2.26 g/cm3 (Calculated)
Comment:
Measured on artificial material.

Optical Data of IlesiteHide

Type:
Biaxial (-)
RI values:
nα = 1.511 nβ = 1.519 nγ = 1.521
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
marked to extreme

Chemical Properties of IlesiteHide

Formula:
(Mn,Zn,Fe)SO4 · 4H2O
IMA Formula:
Mn2+(SO4) · 4H2O

Crystallography of IlesiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 5.94 Å, b = 13.76 Å, c = 8.01 Å
β = 90.8°
Ratio:
a:b:c = 0.432 : 1 : 0.582
Unit Cell V:
654.63 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Prismatic. Loosely adherent crystalline aggregates.
Comment:
On synthetic material

Geological EnvironmentHide

Geological Setting:
Secondary mineral in sulfide deposits.

Type Occurrence of IlesiteHide

Other Language Names for IlesiteHide

German:Ilesit
Russian:Илезит
Spanish:Ilesita

Relationship of Ilesite to other SpeciesHide

Member of:
Other Members of this group:
Aplowite(Co,Mn,Ni)SO4 · 4H2OMon. 2/m
Boyleite(Zn,Mg)SO4 · 4H2OMon. 2/m : P21/b
DrobeciteCdSO4 · 4H2OMon. 2/m : P21/m
RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/b

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Ilesite associated with ApjohniteMn2+Al2(SO4)4 · 22H2O

Related Minerals - Nickel-Strunz GroupingHide

7.CB.05Dwornikite(Ni,Fe)SO4 · H2OMon. 2/m : B2/b
7.CB.05GunningiteZnSO4 · H2OMon. 2/m : B2/b
7.CB.05KieseriteMgSO4 · H2OMon. 2/m
7.CB.05Poitevinite(Cu,Fe)SO4 · H2OTric.
7.CB.05SzmikiteMnSO4 · H2OMon.
7.CB.05SzomolnokiteFeSO4 · H2OMon. 2/m : B2/b
7.CB.05CobaltkieseriteCoSO4 · H2OMon. 2/m : B2/b
7.CB.07SanderiteMgSO4 · 2H2OOrth. 2 2 2 : P21 21 21
7.CB.10BonattiteCuSO4 · 3H2OMon.
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2OMon. 2/m
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2OMon. 2/m : P21/b
7.CB.15RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
7.CB.15StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/b
7.CB.15DrobeciteCdSO4 · 4H2OMon. 2/m : P21/m
7.CB.15CranswickiteMgSO4 · 4H2OMon. m : Bb
7.CB.20ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
7.CB.20JôkokuiteMnSO4 · 5H2OTric.
7.CB.20PentahydriteMgSO4 · 5H2OTric.
7.CB.20SiderotilFeSO4 · 5H2OTric.
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2OMon. 2/m : P2/m
7.CB.25Chvaleticeite(Mn,Mg)SO4 · 6H2OMon. 2/m : B2/b
7.CB.25FerrohexahydriteFeSO4 · 6H2OMon. 2/m : B2/b
7.CB.25HexahydriteMgSO4 · 6H2OMon. 2/m : P2/m
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2OMon.
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2OMon.
7.CB.30RetgersiteNiSO4 · 6H2OTet. 4 2 2 : P41 21 2
7.CB.35BieberiteCoSO4 · 7H2OMon. 2/m : P2/m
7.CB.35BoothiteCuSO4 · 7H2OMon.
7.CB.35MallarditeMnSO4 · 7H2OMon. 2/m : P2/m
7.CB.35MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m : P21/b
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon.
7.CB.35Alpersite(Mg,Cu)(SO4) · 7H2OMon. 2/m : P21/b
7.CB.40EpsomiteMgSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.40GoslariteZnSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.40MorenositeNiSO4 · 7H2OOrth. 2 2 2 : P21 21 21
7.CB.45AlunogenAl2(SO4)3 · 17H2OTric. 1
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteAl2Fe2(SO4)6(H2O)12·6H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55CoquimbiteAlFe3(SO4)6(H2O)12·6H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55ParacoquimbiteFe4(SO4)6(H2O)12· 6H2OTrig. 3 : R3
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.CB.60KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
7.CB.65QuenstedtiteFe2(SO4)3 · 11H2OTric. 1 : P1
7.CB.70LauseniteFe2(SO4)3·5H2OMon. 2/m : P21/m
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2OTric. 1 : P1
7.CB.75RömeriteFe2+Fe3+2(SO4)4 · 14H2OTric. 1 : P1
7.CB.80RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m : P21/b
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2OMon.
7.CB.85BíliniteFe2+Fe3+2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2OMon. 2 : P2
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2OMon. 2/m : P21/b
7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2OMon.
7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4·22H2OMon.
7.CB.90MeridianiiteMgSO4 · 11H2OTric. 1 : P1

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

29.6.6.1RozeniteFeSO4 · 4H2OMon. 2/m : P21/b
29.6.6.2StarkeyiteMgSO4 · 4H2OMon. 2/m : P21/b
29.6.6.4Aplowite(Co,Mn,Ni)SO4 · 4H2OMon. 2/m
29.6.6.5Boyleite(Zn,Mg)SO4 · 4H2OMon. 2/m : P21/b
29.6.6.7CranswickiteMgSO4 · 4H2OMon. m : Bb
29.6.6.8MeridianiiteMgSO4 · 11H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.9.1SzmikiteMnSO4 · H2OMon.
25.9.2JôkokuiteMnSO4 · 5H2OTric.
25.9.3MallarditeMnSO4 · 7H2OMon. 2/m : P2/m
25.9.4ManganolangbeiniteK2Mn2(SO4)3Iso. 2 3 : P21 3
25.9.5Chvaleticeite(Mn,Mg)SO4 · 6H2OMon. 2/m : B2/b
25.9.6DespujolsiteCa3Mn4+(SO4)2(OH)6 · 3H2OHex. 6 m2 : P62c
25.9.7ApjohniteMn2+Al2(SO4)4 · 22H2OMon.
25.9.8ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig.
25.9.10MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
25.9.11Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
25.9.12Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
25.9.13Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2OMon. 2/m : P21/b

Other InformationHide

Special Storage/
Display Requirements:
Becomes white on dehydration
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 IlesiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Iles, M.W. (1881) A new manganese mineral. American Chemical Journal: 3: 420-422.
Wuensch (1881) Mining index, leadville, Colorado. Nov. 5, 1881.
Larsen, E.P., Glenn, M.L. (1920) Some minerals of the melanterite and chalcanthite groups with optical data on the hydrous sulphates of manganese and cobalt. American Journal of Science: 50: 225-233.
Mellor, J.W. (1932) A Comprehensive Treatise on Inorganic and Theoretical Chemistry. 16 volumes, London: 12: 402.
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.: 486-487.
Bauer, W.H. (1962) Zur Kristallchemie der Salzhydrate. Die Kristallstrukturen von MgSO4.4H2O (Leonhardtit) und FeSO4.4H2O (Rozenit). Acta Crystallographica: 15: 815–826.
Held, P., Bohatý, L. (2002) Manganese(II) sulfate tetrahydrate (ilesite). Acta Crystallographica: E58: i121-i123.
Anderson, J.L., Peterson, R.C., Swainson, I. (2012) The atomic structure of deuterated boyleite ZnSO4·4D2O, ilesite MnSO4·4D2O, and bianchite ZnSO4·6D2O. American Mineralogist: 97: 1905-1914.

Internet Links for IlesiteHide

Localities for IlesiteHide

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.
Australia
 
  • Victoria
    • Towong Shire
      • Thologolong
W.D.Birch (2013), A suite of hydrated manganese sulfates from the Womobi mine, northern Victoria, Australia. Australian Journal of Mineralogy, 17/1.; A suite of hydrated manganese sulfates from the Womobi mine, northern Victoria, Australia. W.D.Birch, 2013, Australian Journal of Mineralogy, 17/1.
Canada
 
  • Yukon
    • Mayo mining district
      • Galena Hill
        • Elsa
Jambor J L, Boyle R W (1962) Gunningite, a new zinc sulphate from the Keno Hill – Galena Hill area, Yukon, The Canadian Mineralogist 7, 209-218
Watson, K.W., (1996) Table of minerals identified from the Keno-Galena Hill area: unpublished company report, United Keno Hill Mines Ltd. Report No UKH96/01 Technical Report
Czech Republic
 
  • Pardubice Region
    • Pardubice District
No reference listed
Japan
 
  • Hokkaidō Prefecture
    • Hiyama Subprefecture
      • Hiyama District
        • Kaminokuni
Nambu et al (1977) Sanko-Gakkai Kou'en-Youshi, 105.
    • Shiribeshi Subprefecture
      • Furubira District
Dr. Matsuo Nambu collection (curated at Geological Survey of Japan)
Spain
 
  • Murcia
    • Mazarrón
      • San Cristóbal Hill
Switzerland
 
  • Aargau
    • Mellikon
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 223.
USA
 
  • Colorado
    • Park Co.
      • Montezuma Mining District
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: 487.
Acta Cryst. (1962), 15, 815
 
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