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Kornelite

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Formula:
Fe2(SO4)3 · 7H2O
Colour:
Pale rose pink to violet.
Lustre:
Silky
Specific Gravity:
2.306
Crystal System:
Monoclinic
Name:
For Kornel Hlavacsek (1835-1914), Hungarian mining engineer at the pyrite mines, Banska Stavnica, Slovakia.
This page provides mineralogical data about Kornelite.


Hide all sections | Show all sections

Classification of KorneliteHide

Approved, 'Grandfathered' (first described prior to 1959)
7.CB.60

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
29.8.2.1

29 : HYDRATED ACID AND NORMAL SULFATES
8 : A2(XO4)3·H2O
25.10.8

25 : Sulphates
10 : Sulphates of Fe alone

Physical Properties of KorneliteHide

Silky
Transparency:
Transparent
Comment:
If fibrous
Colour:
Pale rose pink to violet.
Cleavage:
Distinct/Good
On {100}
Density:
2.306 g/cm3 (Measured)    2.254 g/cm3 (Calculated)

Optical Data of KorneliteHide

Type:
Biaxial (+)
RI values:
nα = 1.572 nβ = 1.586 nγ = 1.640
2V:
Measured: 49° to 62°, Calculated: 56°
Max Birefringence:
δ = 0.068
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
very weak r>v

Chemical Properties of KorneliteHide

Formula:
Fe2(SO4)3 · 7H2O
IMA Formula:
Fe3+2(SO4)3 · 7H2O

Crystallography of KorneliteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/m
Cell Parameters:
a = 14.3(1) Å, b = 20.12(2) Å, c = 5.425(4) Å
β = 96.8(1)°
Ratio:
a:b:c = 0.711 : 1 : 0.27
Unit Cell V:
1,549.88 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals lath-like {010} and acicular [001]. Crusts, tufted aggregates, globular masses with a radial-fibrous structure.
Twinning:
Polysynthetic on {100}.

Type Occurrence of KorneliteHide

Place of Conservation of Type Material:
Natural History Museum, Budapest, Hungary. Type specimen destroyed 1956, topotypes remain.

Other Language Names for KorneliteHide

German:Kornelit
Simplified Chinese:斜红铁矾
Spanish:Kornelita
Traditional Chinese:斜紅鐵礬

Common AssociatesHide

Associated Minerals Based on Photo Data:
Copiapite2 photos of Kornelite associated with Copiapite on mindat.org.

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,Zn)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.15Ilesite(Mn,Zn,Fe)SO4 · 4H2OMon. 2/m
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.35MelanteriteFeSO4 · 7H2OMon. 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.50AluminocoquimbiteFeAl(SO4)3 · 9H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5Trig. 3m (3 2/m) : P3 1c
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2OTrig. 3 : R3
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
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 - 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
25.10.5MelanteriteFeSO4 · 7H2OMon. 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
25.10.9CoquimbiteFe2-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
25.10.16ParabutleriteFe3+(SO4)(OH) · 2H2OOrth. mmm (2/m 2/m 2/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

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 KorneliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Krenner (1888) Ak. Magyar, Értes.: 22: 131.
Posnjak and Merwin (1922) Journal of the American Chemical Society: 44: 1965.
Krenner (1926) Mat. Termés Ért.: 42: 1.
Loczka (1926) Mat. Termés. Ért.: 42: 6.
Schaller (1931) American Mineralogist: 16: 116.
Larsen, E.S. and Berman, H. (1934) The Microscopic Determination of the Nonopaque Minerals, Second edition, USGS Bulletin 848: 107.
Merwin and Posnjak (1937) American Mineralogist: 22: 567.
Schaller (1937) USGS Bull. 878: 123.
Bulletin de la Société française de Minéralogie et de Cristallographie (1964): 86: 126.
American Mineralogist (1973): 58: 535-539.

Internet Links for KorneliteHide

Localities for KorneliteHide

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
 
  • Queensland
[MinRec 19 p469-490 - "Sielecki, R: The Mount Isa-Cloncurry mineral field"]
    • Mount Isa City Shire
      • Mount Isa
Sielecki, R. (1988) The Mount Isa-Cloncurry mineral field. Mineralogical Record, Vol. 19, pg. 469-490.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
Wendel, W. & Rieck, B. (1999): Lavrion: Die komplette Mineralliste. Lapis, 24 (7-8), 61-63.
Branko Rieck Collection
        • Sounion area
Branko Rieck Collection
Iran
 
  • Kerman Province
    • Rafsanjan County
      • Pariz
Khorasanipour, M., Tangestani, M. H., Naseh, R., & Hajmohammadi, H. (2011). Hydrochemistry, mineralogy and chemical fractionation of mine and processing wastes associated with porphyry copper mines: a case study from the Sarcheshmeh mine, SE Iran. Applied Geochemistry, 26(5), 714-730.
Japan
 
  • Hokkaido
    • Sorachi Province
      • Mikasa City
Miura et al (1994) Mineralogical Magazine, 58, 649-653.
Slovakia (TL)
 
  • Košice Region
    • Gelnica Co.
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: 531; Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Spain
 
  • Andalusia
    • Huelva
      • Minas de Riotinto
        • Rio Tinto Mines (Riotinto Mines)
Calvo, M. et al.(1999). Bocamina (4), 50-86
USA
 
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.:69
            • Queen Hill
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: 531; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 268, 415; Merwin, H.E. & E. Posnjak (1937), Sulphate encrustations in the Copper Queen mine, Bisbee, AZ, Am.Min.: 22: 567-571; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 59, 62.
  • California
    • Amador Co.
      • Pardee District
        • Sunnybrook
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273, 274.
    • Contra Costa Co.
      • Diablo Range
        • Clayton
          • Mount Diablo State Park
            • Mount Diablo (Mt Diablo)
    • Inyo Co.
      • Coso Mts (Coso Range)
        • Coso District (New Coso District)
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273.
www.mineralsocal.org
Hasenmueller, E. A., & Bish, D. L. (2005, March). The hydration and dehydration of hydrous ferric iron sulfates. In 36th Annual Lunar and Planetary Science Conference (Vol. 36).
    • Santa Cruz Co.
      • Santa Cruz
Mineralogical Record: 17:315
    • Shasta Co.
      • Klamath Mts
        • West Shasta Copper - Zinc District
          • Iron Mountain [town]
            • Iron Mountain
Majzlan, J., Alpers, C. N., Koch, C. B., McCleskey, R. B., Myneni, S. C., & Neil, J. M. (2011). Vibrational, X-ray absorption, and Mössbauer spectra of sulfate minerals from the weathered massive sulfide deposit at Iron Mountain, California. Chemical Geology, 284(3), 296-305.
    • Trinity Co.
      • Coastal Range
        • Island Mountain
          • Moose Peak
Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols; Van Loan, P. R., & Nuffield, E. W. (1959). An x-ray study of roemerite [California]. The Canadian Mineralogist, 6(3), 348-356.
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
Min News 6:8 p3
M. Schindler et al. (2003) Can. Mineral. 41, 83-90
Patrick Haynes. ID via the late Howard Evans, Jr.
    • Utah Co.
      • East Tintic Mts
        • East Tintic District
UGMS Bull 117 Minerals and Mineral Localities of Utah; 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: 531.
  • Virginia
    • Carroll Co.
      • Southern Section-Blue Ridge Province
Minerals of Virginia, 1990 by R. V. Dietrich
Mineral and/or Locality  
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