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Quenstedtite

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About QuenstedtiteHide

05805880014948282239950.jpg
Friedrich August Quenstedt
Formula:
Fe2(SO4)3 · 11H2O
Colour:
White to very pale violet to red-violet; colorless to pale rose in transmitted light.
Lustre:
Sub-Vitreous, Silky
Hardness:
Specific Gravity:
2.11 - 2.15
Crystal System:
Triclinic
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 QuenstedtiteHide

Approved, 'Grandfathered' (first described prior to 1959)
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
29.8.5.1

29 : HYDRATED ACID AND NORMAL SULFATES
8 : A2(XO4)3·H2O
25.10.11

25 : Sulphates
10 : Sulphates of Fe alone

Physical Properties of QuenstedtiteHide

Sub-Vitreous, Silky
Transparency:
Transparent, Translucent
Colour:
White to very pale violet to red-violet; colorless to pale rose in transmitted light.
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {010}
Good on {100}
Fracture:
Fibrous
Density:
2.11 - 2.15 g/cm3 (Measured)    2.14 g/cm3 (Calculated)

Optical Data of QuenstedtiteHide

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

Formula:
Fe2(SO4)3 · 11H2O
IMA Formula:
Fe3+2(SO4)3 · 11H2O

Crystallography of QuenstedtiteHide

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 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}.

Type Occurrence of QuenstedtiteHide

Other Language Names for QuenstedtiteHide

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)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.35MelanteriteFe2+(H2O)6SO4 · H2OMon. 2/m : P21/b
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2OMon.
7.CB.35AlpersiteMg(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.50AluminocoquimbiteAl2Fe2(SO4)6(H2O)12·6H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55CoquimbiteAlFe3(SO4)6(H2O)12·6H2OTrig. 3m (3 2/m) : P3 1c
7.CB.55ParacoquimbiteFe4(SO4)6(H2O)12· 6H2OTrig. 3 : R3
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.CB.60KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
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
25.10.5MelanteriteFe2+(H2O)6SO4 · H2OMon. 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
25.10.8KorneliteFe2(SO4)3 · 7H2OMon. 2/m : P21/m
25.10.9CoquimbiteAlFe3(SO4)6(H2O)12·6H2OTrig. 3m (3 2/m) : P3 1c
25.10.10ParacoquimbiteFe4(SO4)6(H2O)12· 6H2OTrig. 3 : R3
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

Notes:
Easily 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 QuenstedtiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Thomas, J.N., Robinson, P.D., Fang, J.H. (1974) Crystal structures and mineral chemistry of hydrated ferric sulfates. IV. The crystal structure of quenstedtite. American Mineralogist 59, 582-586.

Internet Links for QuenstedtiteHide

Localities for QuenstedtiteHide

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.
Canada
 
  • Yukon
    • Whitehorse mining district
      • Carcross
        • Tagish Lake
          • Windy Arm
Gomi, A. (2001) Suisyou (Quartz), 50, #3, 173-180.
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
Gunnar Färber specimens
identified by Gerhard Möhn, Wet Chemical, Cleavage: perfect (unlike Coquimbite)
    • 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
    • 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
    • Kassel District
      • Hersfeld-Rotenburg
        • Nentershausen
          • Süß
            • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Marsberg
Wittern: "Mineralfundorte in Deutschland", 2001
  • Rhineland-Palatinate
    • Rhein-Lahn-Kreis
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
 
  • Attica
    • East Attica
      • Lavreotiki
        • 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.
Branko Rieck Collection
Hungary
 
  • Borsod-Abaúj-Zemplén County
    • Miskolc District
Szakáll & Jánosi: Minerals of Hungary, 1995
Japan
 
  • Hokkaidō
    • Sorachi Subprefecture
      • Mikasa City
Miura, H., Niida, K., Hirama, T. (1994) Mikasaite, (Fe3+,Al)2(SO4)3, a new ferric sulphate mineral from Mikasa city, Hokkaido, Japan. Mineralogical Magazine: 58: 649-653.
Romania
 
  • Harghita
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; Calico-Daggett area)
          • Calico
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
 
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