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Fe2+Fe23+(SO4)4 · 22H2O
White to yellowish
From the type locality Světec (Schwaz), Bílina (Bilin), Bohemia, Czech Republic.
Halotrichite Group

The ferric iron dominant member of the Halotrichite Group.

Classification of Bílinite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"

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

7 : AB2(XO4)4·H2O

25 : Sulphates
10 : Sulphates of Fe alone URL:
Please feel free to link to this page.

Type Occurrence of Bílinite

General Appearance of Type Material:
Radial-fibrous aggregates.
Year of Discovery:
Geological Setting of Type Material:
Altered lignite.

Physical Properties of Bílinite

White to yellowish
Hardness (Mohs):
1.875 - 1.99 g/cm3 (Measured)    1.99 g/cm3 (Calculated)

Crystallography of Bílinite

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 6.208Å, b = 24.333Å, c = 21.255Å
β = 100.3°
a:b:c = 0.255 : 1 : 0.874
Unit Cell Volume:
V 3,159.02 ų (Calculated from Unit Cell)
Radial-fibrous aggregates.

Optical Data of Bílinite

Biaxial (+/-)
RI values:
nα = 1.480 - 1.482 nβ = 1.500 nγ = 1.489 - 1.493
Max Birefringence:
δ = 0.009 - 0.011
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
relatively weak
Optical Extinction:
Inclined 33-39 degrees.

Chemical Properties of Bílinite

Fe2+Fe23+(SO4)4 · 22H2O
All elements listed in formula:
Empirical Formula:
Fe2+Fe23+(SO4)4 · 22H2O

Relationship of Bílinite to other Species

Other Members of Group:
ApjohniteMn2+Al2(SO4)4 · 22H2O
Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O
HalotrichiteFeAl2(SO4)4 · 22H2O
PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.05Dwornikite(Ni,Fe)SO4 · H2O
7.CB.05GunningiteZnSO4 · H2O
7.CB.05KieseriteMgSO4 · H2O
7.CB.05Poitevinite(Cu,Fe,Zn)SO4 · H2O
7.CB.05SzmikiteMnSO4 · H2O
7.CB.05SzomolnokiteFeSO4 · H2O
7.CB.05CobaltkieseriteCoSO4 · H2O
7.CB.07SanderiteMgSO4 · 2H2O
7.CB.10BonattiteCuSO4 · 3H2O
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2O
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2O
7.CB.15Ilesite(Mn,Zn,Fe)SO4 · 4H2O
7.CB.15RozeniteFeSO4 · 4H2O
7.CB.15StarkeyiteMgSO4 · 4H2O
7.CB.15DrobeciteCdSO4 · 4H2O
7.CB.15CranswickiteMgSO4 · 4H2O
7.CB.20ChalcanthiteCuSO4 · 5H2O
7.CB.20JôkokuiteMnSO4 · 5H2O
7.CB.20PentahydriteMgSO4 · 5H2O
7.CB.20SiderotilFeSO4 · 5H2O
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2O
7.CB.25Chvaleticeite(Mn,Mg)SO4 · 6H2O
7.CB.25FerrohexahydriteFeSO4 · 6H2O
7.CB.25HexahydriteMgSO4 · 6H2O
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2O
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2O
7.CB.30RetgersiteNiSO4 · 6H2O
7.CB.35BieberiteCoSO4 · 7H2O
7.CB.35BoothiteCuSO4 · 7H2O
7.CB.35MallarditeMnSO4 · 7H2O
7.CB.35MelanteriteFeSO4 · 7H2O
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2O
7.CB.35Alpersite(Mg,Cu)[SO4] · 7H2O
7.CB.40EpsomiteMgSO4 · 7H2O
7.CB.40GoslariteZnSO4 · 7H2O
7.CB.40MorenositeNiSO4 · 7H2O
7.CB.45AlunogenAl2(SO4)3 · 17H2O
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteFeAl(SO4)3 · 9H2O
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2O
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
7.CB.60KorneliteFe2(SO4)3 · 7H2O
7.CB.65QuenstedtiteFe2(SO4)3 · 11H2O
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe23+(SO4)4 · 14H2O
7.CB.80RansomiteCuFe2(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2O
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.90MeridianiiteMgSO4 · 11H2O
25.10.1SzomolnokiteFeSO4 · H2O
25.10.2RozeniteFeSO4 · 4H2O
25.10.3SiderotilFeSO4 · 5H2O
25.10.4FerrohexahydriteFeSO4 · 6H2O
25.10.5MelanteriteFeSO4 · 7H2O
25.10.6Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
25.10.8KorneliteFe2(SO4)3 · 7H2O
25.10.9CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
25.10.10ParacoquimbiteFe2(SO4)3 · 9H2O
25.10.11QuenstedtiteFe2(SO4)3 · 11H2O
25.10.12FerricopiapiteFe5(SO4)6O(OH) · 20H2O
25.10.13MetahohmanniteFe23+(SO4)2O · 4H2O
25.10.14HohmanniteFe23+(SO4)2O · 8H2O
25.10.15ButleriteFe3+(SO4)(OH) · 2H2O
25.10.16ParabutleriteFe3+(SO4)(OH) · 2H2O
25.10.17AmarantiteFe23+(SO4)2O · 7H2O
25.10.18FibroferriteFe3+(SO4)(OH) · 5H2O
25.10.20RömeriteFe2+Fe23+(SO4)4 · 14H2O
25.10.22CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O

Other Names for Bílinite

Name in Other Languages:

Other Information

Other Information:
Soluble in water.
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 Bílinite

Reference List:
Šebor (1913) Sborník Klubu Přírodovĕd: no. 2.

Šebor (1914) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: I: 395.

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.: 529.

Periodico di Mineralogia (1985): 54: 11.

Powder Diffraction File (International Center for Diffraction Data) 25-1153.

Internet Links for Bílinite

Localities for Bílinite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Caldas
        • Campo do Cercado
Waber et al. (1992) Jour. Geochemical Explor. 45, 53-112; WABER, N., SCHORSCHER, H.D., & PETERS, T. (1992) Hydrothermal and supergene uranium mineralization at the Osamu Utsumi mine, Poços de Caldas, Minas Gerais, Brazil. Journal of Geochemical Exploration, 45, 53-112.
Czech Republic (TL)
  • Bohemia (Böhmen; Boehmen)
    • Ústí Region
      • Bílina (Bilin)
Int. Geol. Rev. 12 (1971), 849
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German). [identification announced; no description given yet]
  • Nógrád Co.
    • Mátra Mts
      • Bátonyterenye
Szakáll & Gatter: Hun. Min. Spec., 1993
  • Sør-Trøndelag
    • Oppdal
Selbekk R.S. (2010): Norges mineraler. En revidert utgave av Norges mineraler (Neumann 1985). Tapir-NGU-NHM. 552p (p.238)
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og Steinsenter. Unpublished paper.
Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper.
  • Far-Eastern Region
    • Kamchatka Oblast'
Bortnikova, S. B., Bessonova, E. P., Gavrilenko, G. M., Vernikovskaya, I. V., Bortnikova, S. P., & Palchik, N. A. (2008). HYDROGEOCHEMISTRY OF THERMAL SOURCES, MUTNOVSKY VOLCANO, SOUTH KAMCHATKA (RUSSIA). In Proceedings of the 33rd workshop on geothermal reservoir engineering, Stanford University, Stanford, SGP-TR-185.
  • Donetsk (Donets'k) Oblast'
    • Central Donbass
Möckel, S. & Frischmann, N. (1992): Mineralien der Quecksilberlagerstätte Nikitovka in der Ukraine. Mineralien-Welt, 3, 14-15. (in German)
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
[MinRec 24:421]
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 136; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436; MinRec 24:428.
  • Utah
    • Utah Co.
      • East Tintic Mts
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Washington
    • Snohomish Co.
      • Sultan District
Cannon, B. (1975): Minerals of Washington, p.59
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