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Angelo Bianchi
ZnSO4 · 6H2O
White, Yellowish; ...
Named in 1930 by C. Andeatta in honor of Angelo Bianchi (20 December 1892, Casalpusterlengo, Italy - 24 September 1970, Padova, Italy), Italian mineralogist at the National Research Council (CNR) and the University of Padova.

Classification of Bianchite

Approved, 'Grandfathered' (first described prior to 1959)

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

6 : AXO4·xH2O

25 : Sulphates
5 : Sulphates of Zn and Hg

Physical Properties of Bianchite

Diaphaneity (Transparency):
White, Yellowish; colourless in transmitted light.
Hardness (Mohs):
2.03 - 2.07 g/cm3 (Measured)    2.00 g/cm3 (Calculated)

Optical Data of Bianchite

Biaxial (-)
RI values:
nα = 1.465 nβ = 1.494 nγ = 1.495
Measured: 10° , Calculated: 20°
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
r > v weak

Chemical Properties of Bianchite

IMA Formula:
ZnSO4 · 6H2O
Elements listed in formula:
Analytical Data:
Easily soluble in water.

Crystallography of Bianchite

Crystal System:
Class (H-M):
2/m - Prismatic
Space Group:
Cell Parameters:
a = 10.09 Å, b = 7.2 Å, c = 24.49 Å
β = 98.27°
a:b:c = 1.401 : 1 : 3.401
Unit Cell Volume:
V 1,760.65 ų (Calculated from Unit Cell)
Crusts of indistinct crystals. Artificial crystals are tabular {001} with {110} and {112} prominent.
On {001} (common in artificial material).

Occurrences of Bianchite

Type Occurrence of Bianchite

Relationship of Bianchite to other Species

Other Members of Group:
Chvaleticeite(Mn,Mg)SO4 · 6H2O
FerrohexahydriteFeSO4 · 6H2O
HexahydriteMgSO4 · 6H2O
Moorhouseite(Co,Ni,Mn)SO4 · 6H2O
Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2O
7.CB.05DwornikiteNiSO4 · H2O
7.CB.05GunningiteZnSO4 · H2O
7.CB.05KieseriteMgSO4 · H2O
7.CB.05PoiteviniteCuSO4 · H2O
7.CB.05SzmikiteMn2+SO4 · H2O
7.CB.05SzomolnokiteFe2+SO4 · H2O
7.CB.05CobaltkieseriteCoSO4 · H2O
7.CB.07SanderiteMgSO4 · 2H2O
7.CB.10BonattiteCuSO4 · 3H2O
7.CB.15AplowiteCoSO4 · 4H2O
7.CB.15BoyleiteZnSO4 · 4H2O
7.CB.15IlesiteMn2+SO4 · 4H2O
7.CB.15RozeniteFe2+SO4 · 4H2O
7.CB.15StarkeyiteMgSO4 · 4H2O
7.CB.15DrobeciteCdSO4 · 4H2O
7.CB.15CranswickiteMgSO4 · 4H2O
7.CB.20ChalcanthiteCuSO4 · 5H2O
7.CB.20JôkokuiteMn2+SO4 · 5H2O
7.CB.20PentahydriteMgSO4 · 5H2O
7.CB.20Siderotil(Fe,Cu)SO4 · 5H2O
7.CB.25ChvaleticeiteMnSO4 · 6H2O
7.CB.25FerrohexahydriteFe2+SO4 · 6H2O
7.CB.25HexahydriteMgSO4 · 6H2O
7.CB.25MoorhouseiteCoSO4 · 6H2O
7.CB.25NickelhexahydriteNiSO4 · 6H2O
7.CB.30RetgersiteNiSO4 · 6H2O
7.CB.35BieberiteCoSO4 · 7H2O
7.CB.35BoothiteCuSO4 · 7H2O
7.CB.35MallarditeMn 2+SO4 · 7H2O
7.CB.35MelanteriteFe2+SO4 · 7H2O
7.CB.35ZincmelanteriteZnSO4 · 7H2O
7.CB.35Alpersite(Mg,Cu2+)SO4 · 7H2O
7.CB.40EpsomiteMgSO4 · 7H2O
7.CB.40GoslariteZnSO4 · 7H2O
7.CB.40MorenositeNiSO4 · 7H2O
7.CB.45AlunogenAl2(SO4)3(H2O)12 · 5H2O
7.CB.45Meta-alunogenAl2(SO4)3 · 14H2O
7.CB.50AluminocoquimbiteAlFe(SO4)3 · 9H2O
7.CB.55CoquimbiteFe23+(SO4)3 · 9H2O
7.CB.55ParacoquimbiteFe23+(SO4)3 · 9H2O
7.CB.55Rhomboclase(H3O)Fe3+(SO4)2 · 3H2O
7.CB.60KorneliteFe23+(SO4)3 · 7H2O
7.CB.65QuenstedtiteFe23+(SO4)3 · 11H2O
7.CB.70LauseniteFe23+(SO4)3 · 5H2O
7.CB.75LishizheniteZnFe23+(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe23+(SO4)4 · 14H2O
7.CB.80RansomiteCuFe23+(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85BíliniteFe2+Fe23+(SO4)4 · 22H2O
7.CB.85DietrichiteZnAl2(SO4)4 · 22H2O
7.CB.85HalotrichiteFe2+Al2(SO4)4 · 22H2O
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.85RedingtoniteFe2+Cr2(SO4)4 · 22H2O
7.CB.85WupatkiiteCoAl2(SO4)4 · 22H2O
7.CB.90MeridianiiteMgSO4 · 11H2O
25.5.2GoslariteZnSO4 · 7H2O
25.5.3NamuwiteZn4SO4(OH)6 · 4H2O
25.5.4Ktenasite(Cu,Zn)5(SO4)2(OH)6 · 6H2O
25.5.5RamsbeckiteCu15(SO4)4(OH)22 · 6H2O
25.5.6BoyleiteZnSO4 · 4H2O
25.5.7SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
25.5.8OrthoserpieriteCaCu4(SO4)2(OH)6 · 3H2O
25.5.9Zincaluminite(Zn,Al)9(SO4)2(OH)18 · nH2O
25.5.10GlaucoceriniteZn1-xAlx(SO4)x/2(OH)2 · nH2O (x<0.5, n>3x/2)
25.5.11GunningiteZnSO4 · H2O
25.5.12ChaidamuiteZnFe3+(SO4)2(OH) · 4H2O
25.5.15ZincmelanteriteZnSO4 · 7H2O
25.5.16ZincobotryogenZnFe3+(SO4)2(OH) · 7H2O
25.5.18Gianellaite[(NHg2)2](SO4)(H2O)x, x~0

Other Names for Bianchite

Name in Other Languages:

Other Information

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 Bianchite

Reference List:
Thorpe, T.E., Watts, J.I. (1880) On the specific volume of water of crystallisation. Journal of the Chemical Society of London: 37: 102-117.

Wyrouboff (1889) Bulletin de la Société française de Minéralogie: 12: 377.

Andeatta, C. (1930) Bianchite, nuovo minerale. Atti della Accademia nazionale dei Lincei Serie VI: 41: 760-769.

Andreatta, C. (1932) Reale accademia nazionale dei Lincei, Rome, Rendus: 6: 16: 62.

Foshag, W.F. (1930) New mineral names. American Mineralogist: 15: 537-538.

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.: 495-496.

Spiess, M., Gruehn, R. (1979) Zur thermischen Dehydratisierung des ZnS04 · 7 H20 und zum Hochtemperaturverhalten von wasserfreiem ZnSO4. Zeitschrift für Anorganische und Allgemeine Chemie: 456: 222-240.

Chou, I.-M., Seal, R.R. (2005) Determination of goslarite–bianchite equilibria by humidity-buffer technique at 0.1 MPa. Chemical Geology: 215: 517-523.

Leverett, P., Williams, P.A. (2007) Unusual post-mining sulphates from the Peelwood and Lloyd mines, New South Wales, and a comment on wattevilleite. Australian Journal of Mineralogy: 13: 41-46.

Internet Links for Bianchite URL:
Please feel free to link to this page.

Localities for Bianchite

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.
(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.
  • Australian Capital Territory
    • Brindabella Range
      • Cotter River
Handbook of Mineralogy
  • Tasmania
    • West Coast municipality
      • Rosebery district
        • Rosebery
R Bottrrill, unpub. analyses
  • Carinthia
    • Gailtaler Alpen & Karnische Alpen
      • Bleiberg District
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Smolyan Oblast
    • Rhodope Mts
      • Madan ore field
Handbook of Mineralogy
  • New Brunswick
    • Gloucester Co.
      • Bathurst Parish
        • Bathurst Mining Camp
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(11-12), 1905-1914.
  • Northwest Territories
Rocks & Min 81:1 pp 24-32
  • Nunavut
    • Baffin Island
      • Nanisivik
[MinRec 21:533]
  • Baden-Württemberg
    • Black Forest
      • Schenkenzell
Handbook of Mineralogy
  • Hesse
    • Richelsdorf District
      • Nentershausen
        • Süß
          • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Lower Saxony
    • Harz
      • Goslar
        • Rammelsberg
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
  • North Rhine-Westphalia
    • Ruhr Coal Mining area
      • Marl
        • Marl-Hüls
Weiss: "Mineralfundstellen, Deutschland West", 1990
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
No reference listed
GRÖBNER, J. (2001): Roter Skorodit und weitere ungewöhnliche Arsenate: Die Mineralien des Abbaus 132 der Grube Christiana, Lavrion/Griechenland. Lapis, 26 (11), 13-21.
        • Sounion area
          • Sounion Mines
W. Krause, H.-J. Bernhardt, R. S. W. Braithwaite, U. Kolitsch and R. Pritchard (2006): Kapellasite, Cu3Zn(OH)6Cl2, a new mineral from Lavrion, Greece. Mineralogical Magazine 70, 331-342.
  • Heves Co.
    • Mátra Mts
      • Mátraszentimre
Szakáll S.,2011,University of Miskolc, Department of Mineralogy and Petrology
Italy (TL)
  • Friuli-Venezia Giulia
    • Udine Province
      • Tarvisio
        • Cave del Predil
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: 496; Nickel & Nichols, 1991 - "Mineral Reference Manual", p22.
  • Sardinia
    • Cagliari Province
      • Villaputzu
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(11-12), 1905-1914.
    • Carbonia-Iglesias Province
      • Iglesias
Forti P. (1985) : Alcuni nuovi minerali carsici dell'Iglesiente. Notiz. di Miner. e Paleont., 44, pagg.3-10.
- Stara P., Rizzo R. e Tanca A.G. (1996) : Iglesiente e Arburese. Miniere e minerali. Vol. I (239 pagg.). EMSa Ed.
  • Tuscany
    • Grosseto Province
      • Montieri
        • Gerfalco
Bazzoni C., Capperi M., (2001): La miniera di "Montevecchio in Toscana (Gerfalco - Grosseto), Rivista mineralogica italiana, (4), 2001, 236-241; Bazzoni C., Capperi M., (2001): La miniera di "Montevecchio in Toscana (Gerfalco - Grosseto), Rivista mineralogica italiana, (4), 2001, 236-241
Bazzoni, C. & Capperi, M. (2001): La miniera di «Montevecchio» in Toscana (Gerfalco - Grosseto). Rivista Mineralogica Italiana, 4/2011, 236-241
  • Buskerud
    • Modum
      • Åmot
Raade,G.(1995): "Secondary Zn and Cu minerals from contact deposits of the Oslo region, Norway".Bergverksmuseet Skrift nr 9, 18-26; Neumann,H. (1985): Norges Mineraler. Norges Geologiske skrifter 68. p. 109
  • Małopolskie
    • Olkusz District
      • Bolesław
Handbook of Mineralogy
      • Olkusz
Cabała, J., & Bzowska, G. (2008). Sulphate speleothems in Pomorzany Zn–Pb ore mine, southern Poland. Kras i speleologia, 12(21), 59-76.
  • Upper Silesia (Śląskie)
    • Katowice
      • Świętochłowice
Bril, H., Zainoun, K., Puziewicz, J., Courtin-Nomade, A., Vanaecker, M. & Bollinger, J.-C. (2008): Secondary phases from the alteration of a pile of zinc-smelting slag as indicators of environmental conditions: an example from Świętochłowice, Upper Silesia, Poland. Canadian Mineralogist 46, 1235-1248.
  • Maramureș Co.
    • Baia Sprie (Felsőbánya)
      • Baia Sprie mine (Felsőbánya mine)
Buzatu, A., Damian, G., & Buzgar, N. (2012) Raman And Infrared Studies Of Weathering Products From Baia Sprie Ore Deposit (Romania). Romanian Journal of Mineral Deposits, 85:7-10
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Verkhoyansk Fold Belt
        • Verkhoyansk Silver Province
          • Deputatsky ore cluster
Zhdanov Yu.Ya., Solov'ev L.I. (1998): Geology and mineralogical composition of the oxidized zone in the Deputatsk tin ore deposit. Otechestvennaya Geol. (6), 77-79 (in Russian).
  • Urals Region
    • Southern Urals
      • Orenburgskaya Oblast'
E. Shcherbakova et al. : "The rarest Cobalt-Containing Sulfates from the South Ural, Russia", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
  • Wallis (Valais)
    • Binn Valley
      • Fäld (Imfeld; Im Feld; Feld)
XRD Analyses by N. Meisser, Lausanne, in Summer 2015
  • Wales
    • Ceredigion
      • Upper Llanfihangell-y-Creuddyn
        • Pontrhydygroes
  • Arizona
    • Cochise Co.
      • Mule Mts
        • Warren District
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 135; Graeme, R. (1981), Famous mineral localities: Bisbee, AZ, Min.Rec.: 12: 256-319.
    • Graham Co.
      • Aravaipa District
        • Pinaleño Mts
          • Willow Spring Canyon
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 135.
  • Colorado
    • Clear Creek Co.
      • Georgetown District
Minerals of Colorado (1997) Eckels, E. B.
        • Illinois Mine
Minerals of Colorado (1997) Eckels, E. B.
Minerals of Colorado (1997) Eckels, E. B.
Minerals of Colorado (1997) Eckels, E. B.
Handbook of Mineralogy
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Ogdensburg
          • Sterling Hill
Hendricks, J: Notes on the minerals of Franklin & Sterling Hill (1960): Jenkins & Misiur: Mineralogical Record: 25:95-102 (1994); Dunn(1995):Pt5:630.
  • Pennsylvania
    • Lehigh Co.
      • Upper Saucon Township
        • Saucon Valley
          • Friedensville
Rocks & Min.: 6:26; 10:33-36, 58; Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of PA, Inc.: 20; Grant, R.W. (Jan, 1971), PA Mins. (PM)(97), Keystone Newsletter; Montgomery, A. (Aug
  • Virginia
    • Louisa Co.
      • Gold-Pyrite Belt
Minerals of Virginia, 1990 by R. V. Dietrich
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