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Quenstedtite

Formula:
Fe
 
2
(SO
 
4
)
 
3
·10H
 
2
O
System:TriclinicColour:Pale violet to ...
Hardness:
Name:Named after Friederich August von Quenstedt (1809-1889), German paleontologist.
This page provides mineralogical data about Quenstedtite.

Classification of Quenstedtite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.08-60
Nickel-Strunz 10th (pending) edition ID:7.CB.65

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
B : With only medium-sized cations
Dana 8th edition ID:29.8.5.1

29 : HYDRATED ACID AND NORMAL SULFATES
8 : A2(XO4)3·H2O
Hey's CIM Ref.:25.10.11

25 : Sulphates
10 : Sulphates of Fe alone
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Type Occurrence of Quenstedtite

Type Locality:Tierra Amarilla, Copiapó Province, Atacama Region, Chile
Year of Discovery:1888

Occurrences of Quenstedtite

Geological Setting:Oxidized zone of pyrite rich orebodies, especially in arid climates.

Physical Properties of Quenstedtite

Diaphaneity (Transparency):Transparent
Colour:Pale violet to red-violet; colourless to pale rose in transmitted light.
Hardness (Mohs):
Cleavage:Perfect
Perfect on {010}
Good on {100}
Density (measured):2.11 - 2.15 g/cm3
Density (calculated):2.14 g/cm3

Crystallography of Quenstedtite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Cell Parameters:a = 6.184(5) Å, b = 23.6(2) Å, c = 6.539(5) Å
α = 94.18(8)°, β = 101.73(8)°, γ = 96.27(8)°
Ratio:a:b:c = 0.262 : 1 : 0.277
Unit Cell Volume:V 924.35 ų (Calculated from Unit Cell)
Z:2
Morphology:Aggregates of minute crystals, commonly tabular {010}, or short prismatic [100], highly modified at times.
Twinning:Common on {010}.

Optical Data of Quenstedtite

Type:Biaxial (+)
RI values: nα = 1.547 nβ = 1.566 nγ = 1.594
2V:Measured: 70° , Calculated: 82°
Maximum Birefringence:δ = 0.047

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:Strong r

Chemical Properties of Quenstedtite

Formula:
Fe
 
2
(SO
 
4
)
 
3
·10H
 
2
O
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S
Empirical Formula:
Fe
3+
2
(SO
 
4
)
 
3
·10H
 
2
O

Relationship of Quenstedtite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.CB.05Dwornikite
(Ni,Fe)SO
 
4
·H
 
2
O
7.CB.05Gunningite
(Zn,Mn)SO
 
4
·H
 
2
O
7.CB.05Kieserite
MgSO
 
4
·H
 
2
O
7.CB.05Poitevinite
(Cu,Fe,Zn)SO
 
4
·H
 
2
O
7.CB.05Szmikite
MnSO
 
4
·H
 
2
O
7.CB.05Szomolnokite
FeSO
 
4
·H
 
2
O
7.CB.05Cobaltkieserite
CoSO
 
4
·H
 
2
O
7.CB.10Bonattite
CuSO
 
4
·3H
 
2
O
7.CB.15Aplowite
(Co,Mn,Ni)SO
 
4
·4H
 
2
O
7.CB.15Boyleite
(Zn,Mg)SO
 
4
·4H
 
2
O
7.CB.15Ilesite
(Mn,Zn,Fe)SO
 
4
·4H
 
2
O
7.CB.15Rozenite
FeSO
 
4
·4H
 
2
O
7.CB.15Starkeyite
MgSO
 
4
·4H
 
2
O
7.CB.15IMA2002-034
CdSO
 
4
·4H
 
2
O
7.CB.20Chalcanthite
CuSO
 
4
·5H
 
2
O
7.CB.20Jôkokuite
MnSO
 
4
·5H
 
2
O
7.CB.20Pentahydrite
MgSO
 
4
·5H
 
2
O
7.CB.20Sanderite
MgSO
 
4
·2H
 
2
O
7.CB.20Siderotil
FeSO
 
4
·5H
 
2
O
7.CB.25Bianchite
(Zn,Fe)SO
 
4
·6H
 
2
O
7.CB.25Chvaleticeite
(Mn,Mg)SO
 
4
·6H
 
2
O
7.CB.25Ferrohexahydrite
FeSO
 
4
·6H
 
2
O
7.CB.25Hexahydrite
MgSO
 
4
·6H
 
2
O
7.CB.25Moorhouseite
(Co,Ni,Mn)SO
 
4
·6H
 
2
O
7.CB.25Nickelhexahydrite
(Ni,Mg,Fe)SO
 
4
·6H
 
2
O
7.CB.30Retgersite
NiSO
 
4
·6H
 
2
O
7.CB.35Bieberite
CoSO
 
4
·7H
 
2
O
7.CB.35Boothite
CuSO
 
4
·7H
 
2
O
7.CB.35Mallardite
MnSO
 
4
·7H
 
2
O
7.CB.35Melanterite
FeSO
 
4
·7H
 
2
O
7.CB.35Zincmelanterite
(Zn,Cu,Fe)SO
 
4
·7H
 
2
O
7.CB.35Alpersite
(Mg,Cu)[SO
 
4
] · 7H
 
2
O
7.CB.40Epsomite
MgSO
 
4
·7H
 
2
O
7.CB.40Goslarite
ZnSO
 
4
·7H
 
2
O
7.CB.40Morenosite
NiSO
 
4
·7H
 
2
O
7.CB.45Alunogen
Al
 
2
(SO
 
4
)
 
3
·17H
 
2
O
7.CB.45Meta-alunogen
Al
 
2
(SO
 
4
)
 
3
·12H
 
2
O
7.CB.55Coquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
7.CB.55Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
7.CB.55Rhomboclase
HFe(SO
 
4
)
 
2
·4H
 
2
O
7.CB.60Kornelite
Fe
 
2
(SO
 
4
)
 
3
·7H
 
2
O
7.CB.70Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
7.CB.75Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
·14H
 
2
O
7.CB.75Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·14H
 
2
O
7.CB.80Ransomite
CuFe
 
2
(SO
 
4
)
 
4
·6H
 
2
O
7.CB.85Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Redingtonite
(Fe
2+
 
,Mg,Ni)(Cr,Al)
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.85Wupatkiite
(Co,Mg,Ni)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
7.CB.90Meridianiite
MgSO
 
4
·11H
 
2
O
Related Minerals - Hey's Index Grouping:
25.10.1Szomolnokite
FeSO
 
4
·H
 
2
O
25.10.2Rozenite
FeSO
 
4
·4H
 
2
O
25.10.3Siderotil
FeSO
 
4
·5H
 
2
O
25.10.4Ferrohexahydrite
FeSO
 
4
·6H
 
2
O
25.10.5Melanterite
FeSO
 
4
·7H
 
2
O
25.10.6Rhomboclase
HFe(SO
 
4
)
 
2
·4H
 
2
O
25.10.7Lausenite
Fe
 
2
(SO
 
4
)
 
3
·6H
 
2
O
25.10.8Kornelite
Fe
 
2
(SO
 
4
)
 
3
·7H
 
2
O
25.10.9Coquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
25.10.10Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
·9H
 
2
O
25.10.12Ferricopiapite
Fe
 
5
(SO
 
4
)
 
6
O(OH)·20H
 
2
O
25.10.13Metahohmannite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 4H
 
2
O
25.10.14Hohmannite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 8H
 
2
O
25.10.15Butlerite
Fe
3+
 
[OH|SO
 
4
] · 2H
 
2
O
25.10.16Parabutlerite
Fe
3+
 
[OH|SO
 
4
] · 2H
 
2
O
25.10.17Amarantite
Fe
3+
2
[O|(SO
 
4
)
 
2
] · 7H
 
2
O
25.10.18Fibroferrite
Fe
3+
 
[OH|SO
 
4
] · 5H
 
2
O
25.10.19Hydroniumjarosite
(H
 
3
O)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
25.10.20Römerite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·14H
 
2
O
25.10.21Bílinite
Fe
2+
 
Fe
3+
2
(SO
 
4
)
 
4
·22H
 
2
O
25.10.22Copiapite
Fe
2+
 
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
· 20H
 
2
O

Other Names for Quenstedtite

German names:
Quenstedtit
Russian names:
Квенштедтит
Spanish names:
Quenstedtita

Other Information

Other Information:Easily soluble in water.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Quenstedtite

Reference List:Linck (1889) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 15: 11.

Ungemach (1935) Bulletin de la Société française de Minéralogie: 58: 97.

Bandy (1938) American Mineralogist: 23: 669.

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.: 535.

American Mineralogist (1974): 59: 582-586.

Internet Links for Quenstedtite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Quenstedtite in the Natural History Museum (London) online catalogue
  • Quenstedtite details from Handbook of Mineralogy (PDF)
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    Localities for Quenstedtite

    (TL) indicates type locality. ? 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.
    Chile
     
    • Antofagasta Region
      • El Loa Province
        • Calama
          • Cerritos Bayos
    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: 536.
    • Atacama Region
      • Copiapó Province
    Neues Jahrb.Min.(1888) 1, p. 213; MinRec 6:106; 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: 457, 536.
    Germany
     
    • Hesse
      • North Hesse
        • Richelsdorf District
          • Süss
            • Richelsdorf Smelter
    S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • North Rhine-Westphalia
      • Sauerland
        • Marsberg
    Wittern: "Mineralfundorte in Deutschland", 2001
    • Rhineland-Palatinate
      • Lahn valley
    Wittern: "Mineralfundorte in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    No reference listed
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Bükk Mts.
        • Miskolc
    Szakáll & Jánosi: Minerals of Hungary, 1995
    Japan
     
    • Hokkaido Island
      • Sorachi Province
        • Mikasa city
    Miura et al. (1994) (journal?), 58, 649-653
    Slovakia
     
    • Banská Bystrica Region
      • Štiavnica Mts
        • Banská Štiavnica Mining District
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    USA
     
    • California
      • San Bernardino Co.
        • Calico Mts
          • Calico District
            • Borate
    MinRec 6:106
    • Iowa
      • Muscatine Co.
    Yale Peabody Museum
    Mineral and/or Locality
    Google
     
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