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Quenstedtite

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Formula:
Fe
 
2
(SO
 
4
)
 
3
· 10H
 
2
O
System:TriclinicColour:White to very pale ...
Hardness:
Name:
Named in 1888 by Gottlob Eduard Linck in honor of Friedrich August von Quenstedt [July 10, 1809 Eisleben, Saxony, Germany – December 21, 1889], professor of mineralogy and geology at Eberhard Karls Universität in Tübingen. Quenstedt was also noted for his paleontological research (ammonites and pterodactyls) and a fossil turtle, Proganochelys quenstedti, is named for him as well as five genera of other extinct species (2 coenlenterates, 1 ammonite, 1 mollusc, and 1 crinoid).


Straight fibrous to columnar crystals with a bright luster and fibrous appearance

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

Lustre:Sub-Vitreous, Silky
Diaphaneity (Transparency):Transparent, Translucent
Colour:White to very pale violet to red-violet; colorless to pale rose in transmitted light.
Streak:White
Hardness (Mohs):
Tenacity:Brittle
Cleavage:Perfect
Perfect on {010}
Good on {100}
Fracture:Fibrous
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, 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
Simplified for copy/paste:Fe2(SO4)3·10H2O
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
ZnSO
 
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.07Sanderite
MgSO
 
4
· 2H
 
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.15Drobecite
CdSO
 
4
· 4H
 
2
O
7.CB.15Cranswickite
MgSO
 
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.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.50Aluminocoquimbite
FeAl(SO
 
4
)
 
3
· 9H
 
2
O
7.CB.55Coquimbite
Fe
 
2-x
Al
 
x
(SO
 
4
)
 
3
· 9H
 
2
O, x ~0.5
7.CB.55Paracoquimbite
Fe
 
2
(SO
 
4
)
 
3
· 9H
 
2
O
7.CB.55Rhomboclase
(H
 
5
O
 
2
)Fe
3+
 
(SO
 
4
)
 
2
· 2H
 
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
(H
 
5
O
 
2
)Fe
3+
 
(SO
 
4
)
 
2
· 2H
 
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-x
Al
 
x
(SO
 
4
)
 
3
· 9H
 
2
O, x ~0.5
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
(SO
 
4
)
 
2
O · 4H
 
2
O
25.10.14Hohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 8H
 
2
O
25.10.15Butlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
25.10.16Parabutlerite
Fe
3+
 
(SO
 
4
)(OH) · 2H
 
2
O
25.10.17Amarantite
Fe
3+
2
(SO
 
4
)
 
2
O · 7H
 
2
O
25.10.18Fibroferrite
Fe
3+
 
(SO
 
4
)(OH) · 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
(SO
 
4
)
 
6
(OH)
 
2
· 20H
 
2
O

Other Names for Quenstedtite

Other Languages:
German:Quenstedtit
Italian:Quenstedtite
Russian:Квенштедтит
Spanish: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

Search Engines:
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  • External Links:
  • Look for Quenstedtite on Webmineral
  • Look for Quenstedtite on Athena Mineralogy
  • Look for Quenstedtite on Wikipedia
  • Look for Quenstedtite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Quenstedtite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
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  • Top quality minerals from Kristalle of California
  • Localities for Quenstedtite

    The 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. ? 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.
    Canada
     
    • Yukon Territory
      • Whitehorse Mining District
        • Carcross
          • Tagish Lake
            • Windy Arm
    Gomi, A. (2001) Suisyou (Quartz), 50, #3, 173-180.
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Mejillones
          • Mejillones peninsula
    Gunnar Farber specimens
      • 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.; Kampf, A.R.; Mills, S.J.; Housley, R.M.; Williams, P.A.; Dini, M. (2012): Alcaparrosaite, K3Ti4+Fe3+(SO4)4O(H2O)2, a new hydrophobic Ti4+ sulfate from Alcaparrosa, Chile. Mineralogical Magazine 76, 851-861.
          • Chuquicamata District
            • Toki Cu deposit (Toki Cluster)
    Natural History Museum Vienna collection (Uwe Kolitsch SXRD on Arturo Molina material)
    • 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
      • 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
          • Frücht
    Der Aufschluss Vol.55, March/April 2004; SCHNORRER, G. (1995): Mineralogische Neuheiten von bekannten deutschen Fundorten. Lapis 20 (12), 43-48; 62.
    Greece
     
    • Attikí Prefecture (Attica; Attika)
      • Lavrion District (Laurion; Laurium)
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    Schnorrer, G. & Breitenbach, H. (1996): Lavrion: Neufunde aus dem antiken Bergbau und in historischen Schlacken. Lapis, 21 (1), 45-48; 62.
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Bükk Mtns
        • Miskolc
    Szakáll & Jánosi: Minerals of Hungary, 1995
    Japan
     
    • Hokkaido
      • Sorachi Province
        • Mikasa City
    Miura et al. (1994) Mineralogical Magazine, 58, 649-653
    Romania
     
    • Harghita Co.
    Ed.:Szakáll S.-Kristály F.2010:Mineralogy of Székelyland,Eastern Transylvania,Romania
    Slovakia
     
    • Banská Bystrica Region
      • Banská Štiavnica Co.
    Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
    USA
     
    • California
      • San Bernardino Co.
        • Calico Mts (Calico Hills)
          • Calico District (Daggett District)
            • Yermo
              • Mule Canyon
    Weber, D. (1975): Quenstedtite from California. Mineralogical Record 6(3), 106; Moller, W.P. (1963) Sulfur Hole. Mineralogist: 31, part 1, N. 3: 12-16; part 2, No. 4: 13; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 273; Joseph F. Cooper, Jr., Gail E. Dunning, Ted A. Hadley, and William P. Moller (2001) The Sulfur Hole, Calico District, San Bernardino County, California
    • Iowa
      • Muscatine Co.
    Yale Peabody Museum
    Mineral and/or Locality  
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