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Retgersite

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Big Photo

Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru
© Vincent Bourgoin

Show Retgersite Photos (11)



Formula:
NiSO
 
4
 · 6H
 
2
O
System:TetragonalColour:Emerald green with blue ...
Lustre:VitreousHardness:2½
Name:Named after Jan Willem Retgers, Dutch crystallographer.
Dimorph of:Nickelhexahydrite



May occur as a dehydration product of morenosite.

Classification of Retgersite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.05-70
Nickel-Strunz 10th (pending) edition ID:7.CB.30

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:29.6.9.1

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.12.5

25 : Sulphates
12 : Sulphates of Co and Ni
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Type Occurrence of Retgersite

Type Locality:Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru
Year of Discovery:1948

Physical Properties of Retgersite

Lustre:Vitreous
Colour:Emerald green with blue tinge; pale green in transmitted light.
Streak:Greenish-white
Hardness (Mohs):2½
Tenacity:Brittle
Cleavage:Perfect
On {001}, perfect; traces on {110} in crushed grains under magnification.
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):2.04 g/cm3
Density (calculated):2.07 g/cm3
Comment:2.07 (artificial material).

Crystallography of Retgersite

Crystal System:Tetragonal
Class (H-M):4 2 2 - Trapezohedral
Space Group:P41 21 2
Cell Parameters:a = 6.78Å, c = 18.28Å
Ratio:a:c = 1 : 2.696
Unit Cell Volume:V 840.30 ų (Calculated from Unit Cell)
Morphology:Artificial crystals thick tabular {001} grading to short prismatic [001]. Fibrous crusts or veinlets, fibers elongated [001]; twisted spire- or horn-like tufts. Single crystals rare.

Optical Data of Retgersite

Type:Uniaxial (-)
RI values: nω = 1.511 nε = 1.487
Maximum Birefringence:δ = 0.024

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

Chemical Properties of Retgersite

Formula:
NiSO
 
4
 · 6H
 
2
O
Essential elements:H, Ni, O, S
All elements listed in formula:H, Ni, O, S
Analytical Data:Soluble in water.
Relationship of Retgersite 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.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.65Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
 · 10H
 
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:

- + 
25.12.1Bieberite
CoSO
 
4
 · 7H
 
2
O
25.12.2Cobaltzippeite
Co(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O
25.12.3Aplowite
(Co,Mn,Ni)SO
 
4
 · 4H
 
2
O
25.12.4Moorhouseite
(Co,Ni,Mn)SO
 
4
 · 6H
 
2
O
25.12.6Morenosite
NiSO
 
4
 · 7H
 
2
O
25.12.7Nickelblödite
Na
 
2
(Ni,Mg)(SO
 
4
)
 
2
 · 4H
 
2
O
25.12.8Nickelboussingaultite
(NH
 
4
)
 
2
Ni(SO
 
4
)
 
2
 · 6H
 
2
O
25.12.9Nickelzippeite
Ni(UO
 
2
)
 
2
(SO
 
4
)O
 
2
 · 3.5H
 
2
O (?)
25.12.10Dwornikite
(Ni,Fe)SO
 
4
 · H
 
2
O
25.12.11Honessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
25.12.12Hydrohonessite
(Ni
 
1-x
Fe
3+
x
)(OH)
 
2
[SO
 
4
]
 
x/2
 · nH
 
2
O
25.12.13Nickelhexahydrite
(Ni,Mg,Fe)SO
 
4
 · 6H
 
2
O
Other Names for Retgersite
Other Languages:
German:Retgersit
Russian:Ретгерсит
Simplified Chinese:镍矾
Spanish:Retgersita
Other Information
Other Information:Bitter Taste
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 Retgersite
Reference List:

- + 
Brooke (1823) Annals of Philosophy, London: 22: 437 (on artificial crystals).



Mitscherlich (1828) Annalen der Physik, Halle, Leipzig: 12: 146.



Rammelsberg (1855): 92.



Scacchi (1863) Reale accademia delle scienze fisische e matematiche, Naples, Att.: 1(11) (artificial material).



Topsøe (1872) Arch. sc. phys. nat. Genève: [2]: 45: 223.



Topsøe and Christiansen (1874) Annales de chimie et de physique, Paris: 1: [5]: 63.



Blasius (1885) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 10: 227.



Baumhauer, H.A. (1894) Die Resultate der Aetzmethode in der krystallographischen Forschung, 131pp., Leipzig: 57.



Gossner (1907) Berichte deutsche chemische Gesellschaft: 40: 2374.



Beevers and Lipson (1932) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 83: 123.



Borghijs (1937) Natuurwet. Tijdschr.: 19: 115 (artificial material).



Ferguson (1939) University of Nevada Bull. 33, no. 5.



Rudnick, Slack, and O'Connor (1940) Physical Review, a Journal of Experimental and Theoretical Physics: 58: 1003.



Mathieu (1946) Comptes rendu de l’Académie des sciences de Paris: 222: 223.



Frondel, C. and Palache, C. (1949)American Mineralogist: 34: 188-194.



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.: 497-498.



Zeitschrift für Kristallographie: 83: 123-135.



Acta Crystallographica (1988): C44: 1869.


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    • Localities for Retgersite
    






    


    

    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.

    

    

    
Hide Locality List
     		

    (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.

    Australia
     
    

    • Tasmania
    

      • Heazlewood district
    
    		Anderson, P., Bottrill, R. & Davidson, P. (2002): Famous mineral localities: The Lord Brassey mine, Tasmania. Mineralogical Record 33, 321-332 
    

    • Western Australia
    

      • Coolgardie Shire
    

        • Widgiemooltha
    
    		No reference listed
    Austria
     
    

    • Salzburg
    

      • St Johann im Pongau
    
    		A. Strasser: Die Minerale Salzburgs, 1989
    

    • Styria
    

      • Fischbacher Alpen
    

        • St. Jakob-Breitenau
    

          • Hochlantsch
    
    		Landesmuseum Joanneum (Graz, Styria)  collection; Bojar, H.-P. et al. (1993)
    

    • Tyrol
    

      • North Tyrol
    

        • Inn valley
    

          • Brixlegg - Schwaz area
    

            • Brixlegg - Rattenberg
    
    		Schnorrer, G. & Poeverlein, R. (2005): Schwaz-Brixlegger-Fundstellen: 3. Die Minerale vom Bergbau Maukenötz bei Brixlegg, Tirol. Der Aufschluss,  56, 223-234.
    Bosnia and Herzegovina
     
    

    • Federation of Bosnia and Herzegovina
    

      • Sarajevo Canton
    

        • Vareš
    
    		Bermanec, V., Sijaric, G., Kniewald, G., and Mandarino, J.A. (2000): The Canadian Mineralogist 38, 1371-1376.
    Canada
     
    

    • Ontario
    

      • Sudbury District
    

        • Denison Township
    
    		Reiner Mielke
    

    • Québec
    

      • Abitibi-Témiscamingue
    

        • Abitibi RCM
    

          • La Motte
    
    		Sabina (2003)126
    





Mineralogical Record (1976): 7(4): 174-178.
    


      • Chaudière-Appalaches
    

        • Montmagny RCM
    

          • St-Fabien-de-Panet
    
    		Sabina (1992) GSC Misc. Report 46, 62
    

    • Saskatchewan
    

      • Athabasca Basin
    
    		Collection of Barry Murphy, Micromount specimen catalogue number 00871
    Chile
     
    

    • Antofagasta Region
    

      • Antofagasta Province
    

        • Taltal
    
    		Tom Loomis (Dakotamatrix) samples showed on his personal web site during 2007
    China
     
    

    • Gansu Province
    

      • Jiuquan Prefecture
    

        • Subei Co.
    
    		Jianguo Yang, Lei Wang, Xiaohong Wang, Xie Xie, and Zhengguang Qie (2012): Geological Bulletin of China 31(2/3), 448-454
    

    • Qinghai Province
    

      • Haixi Autonomous Prefecture
    

        • Golmud (Ge'ermu) Co.
    

          • Qimantage Mts
    
    		Chunyan Dong, Xiaoguo Chi, Fengyue Sun, and Yuan Zhang (2005): Multipurpose Utilization of Mineral Resources 1(1), 29-33
    

    • Xinjiang (Xinjiang-Uygur) Autonomous Region
    

      • Hami (Kumul; Qumul) Prefecture
    

        • Hami (Kumul; Qumul) Co.
    

          • Huangshan-Jing'erquan ore belt
    
    		Yan Sun, Yuanfu Xiao, Wei Feng, Fahui Xiong, and Zhiqiang Zhao (2009): Geology in China 36(4), 871-877
    


      • Yili Hasake (Ili Kazakh) Autonomous Prefecture
    

        • Aletai (Altay) Prefecture
    

          • Fuyun Co. (Koktokay Co.)
    
    		Chunming Han, Wenjiao Xiao, Guochun Zhao, Wenjun Qu, and Andao Du (2007): Ore Geology Reviews 32, 452-468.
    Czech Republic
     
    

    • Bohemia (Böhmen; Boehmen)
    

      • Karlovy Vary Region
    

        • Horní Slavkov (Schlaggenwald)
    
    		Sejkora, J. & Plasil, J. (2009): Mineralien aus dem Uranrevier Horni Slavkov. Lapis 34 (7-8), 63-67; 70 (in German).
    



        • Krušné Hory Mts (Erzgebirge)
    

          • Jáchymov (St Joachimsthal) District
    

            • Jáchymov (St Joachimsthal)
    
    		Lapis 2002(7/8)
    



        • Mariánské Lázně (Marienbad)
    

          • Slavkovský Les Mts
    
    		Sejkora, J. (1992): Retgersite from Smrkovec near Marianské Lazné. Cas.Mineral.Geol., 37, 353
    Germany
     
    

    • Baden-Württemberg
    

      • Black Forest
    

        • St Blasien
    

          • Horbach
    
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    

    • Hesse
    

      • Richelsdorf District
    

        • Süss
    

          • Richelsdorf Smelter
    
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    

    • Lower Saxony
    

      • Harz
    

        • Goslar
    
    		Dietrichs, J. (2006): Die Mineralien der Nickelgrube "Großfürstin Alexandra" im Ostharz. Lapis 31 (6), 28-30; 70.
    




          • Rammelsberg
    
    		No reference listed
    



        • Lautenthal
    

          • Wolfshagen
    
    		Schnorrer-Köhler, G. (1991): Mineralogische Notizen V, Der Aufschluss, Vol. 42, 155-171
    



        • St Andreasberg District
    

          • St Andreasberg
    
    		 Mindat photo by David J. Eicher  
    

    • North Rhine-Westphalia
    

      • Sauerland
    

        • Meschede
    
    		Wittern: "Mineralfundorte in Deutschland", 2001
    


      • Siegerland
    

        • Eiserfeld
    

          • Kohlenbach Valley
    
    		Henrich, M. (2009): Mineralien-Welt 20 (5), 14-27.
    



        • Müsen
    
    		Der Aufschluss 2000(2), 71-123
    

    • Rhineland-Palatinate
    

      • Lahn valley
    
    		Wittern: "Mineralfundorte in Deutschland", 2001
    




          • Frücht
    
    		Der Aufschluss Vol.55, March/April 2004
    

    • Saxony-Anhalt
    
    		Wittern: "Mineralfundorte in Deutschland", 2001
    

    • Saxony
    

      • Oberlausitz
    

        • Sohland an der Spree
    
    		Frenzel, M. (2009): Nimit und weitere Neufunde aus der Nickelgrube Sohland a.d. Spree(Sachsen): Lapis 34(4): 44-45
    

    • Thuringia
    

      • Bad Lobenstein
    
    		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: 498; O'Donoghue, 1978 - "Encyclopedia of Minerals & Gemstones", p283.
    Italy
     
    

    • Aosta Valley
    

      • Valtournanche Valley
    

        • Valtournanche
    
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    



Arliguie M collection
    

    • Piedmont
    

      • Cuneo Province
    

        • Varaita Valley
    

          • Piasco
    
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    


      • Verbano-Cusio-Ossola Province
    

        • Ossola Valley
    

          • Antrona Valley
    

            • Montescheno
    
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    Japan
     
    

    • Honshu Island
    

      • Kinki region
    

        • Mie Prefecture
    

          • Toba City
    

    

    • Kyushu Region
    

      • Oita Prefecture
    

        • Bungo-ono City
    

          • Mie-cho-washidani
    
    		Minakawa and Noto (1984) Chigaku Kenkyu, 35, 233-238.
    Morocco
     
    

    • Souss-Massa-Draâ Region
    

      • Ouarzazate Province
    

        • Tazenakht
    

          • Bou Azer District (Bou Azzer District)
    

            • Aït Ahmane
    
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Norway
     
    

    • Telemark
    

      • Kragerø
    

        • Valberg
    
    		Selbekk, R. S., Husdal, T. A. & Berg, H-J. (2010): Nye mineraler for Norge i 2010. Stein. 37 (4): 24-26 
    Peru
     
    

    • Pasco Department
    

      • Pasco Province
    

        • Huayllay District
    
    		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: 498, 518; Progr.Abstr.,Min.Soc.Amer. 29th Ann. Meeting (1948) p. 6; Amer.Min.(1949) 34, 276.; O'Donoghue, 1978 - "Encyclopedia of Minerals & Gemstones", p283]
    Poland
     
    

    • Lower Silesia (Dolnośląskie)
    

      • Kaczawskie Mts
    
    		Paulo A. 1970: On the formation of retgersite from Chełmiec. Mineralogia Polonica, vol. 1, 37-45
    Russia
     
    

    • Northern Region
    

      • Murmanskaja Oblast'
    

        • Kola Peninsula
    

          • Pechengsky District
    
    		Excalibur Mineral Co. specimen, ID confirmed by both XRD and microprobe.
    Slovakia
     
    

    • Trenčín Region
    

      • Bánovce nad Bebravou Co.
    

        • Čierna Lehota
    
    		Mikuš T. & Chovan M., 2007: Retgersit z Čiernej Lehoty (Strážovské vrchy). Mineralia Slovaca, 39, 3, 197-203.

    Spain
     
    

    • Catalonia
    

      • Tarragona
    

        • Priorat
    

          • Bellmunt del Priorat
    
    		Joan Abella i Creus (2008): Minerals I Mines De La Conca De Bellmunt Del Priorat.
    Switzerland
     
    

    • Wallis (Valais)
    

      • Turtmann Valley
    

        • Pipjitälli
    
    		Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    UK
     
    

    • England
    

      • Warwickshire
    

        • Bedworth
    
    		BMS Database
    

    • Scotland
    

      • Dumfries & Galloway (Kirkcudbrightshire)
    

        • Cassencarie
    
    		Livingstone, A. (2002): The Minerals of Scotland - past and present, NMS Publications Ltd.
    USA
     
    

    • Missouri
    

      • Madison Co.
    

        • Fredericktown District
    

          • Mine La Motte
    

    

    • Nevada
    

      • Churchill Co.
    

        • Table Mountain District
    

          • Cottonwood Canyon
    

            • Bolivia
    
    		NBMG Spec. Pub. 31 Minerals of Nevada
    





NBMG Spec. Pub. 31 Minerals of Nevada
    

    • Pennsylvania
    

      • Lancaster Co.
    

        • Bart Township
    

          • Gap
    
    		Mineralogical Record: 21: 103; Dana 6:1069; 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: 235, 241, &498.
    

    


    

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