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Szmikite

Big Photo

Johkoku mine (Jôkoku; Jokoku), Kaminokuni, Oshima peninsula, Hokkaido Island, Japan
© 2008, J. Weissman

Formula:
MnSO
 
4
·H
 
2
O
System:MonoclinicColour:Dirty-white, rose-red, ...
Hardness:1½
Name:Named after Ignaz Szmik, mining official at Felsöbanya, Romania.


Kieserite Group

Classification of Szmikite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.01-30
Nickel-Strunz 10th (pending) edition ID:7.CB.05

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:29.6.2.3

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.9.1

25 : Sulphates
9 : Sulphates of Mn
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Type Occurrence of Szmikite

Type Locality:Baia Sprie (Felsöbánya), Maramures Co., Romania
General Appearance of Type Material:Efflorescences.
Year of Discovery:1877

Physical Properties of Szmikite

Lustre:Earthy
Colour:Dirty-white, rose-red, pale red
Hardness (Mohs):1½
Fracture:Splintery
Density (measured):3.15 g/cm3

Crystallography of Szmikite

Crystal System:Monoclinic
Cell Parameters:a = 7.76Å, b = 7.66Å, c = 7.12Å
β = 115.85°
Ratio:a:b:c = 1.013 : 1 : 0.93
Unit Cell Volume:V 380.88 ų (Calculated from Unit Cell)
Morphology:Stalactitic masses with a botryoidal surface.

Optical Data of Szmikite

Type:Biaxial (+)
RI values: nα = 1.562 nβ = 1.595 nγ = 1.632
2V:Measured: 90° , Calculated: 90°
Maximum Birefringence:δ = 0.070

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

Chemical Properties of Szmikite

Formula:
MnSO
 
4
·H
 
2
O
Essential elements:H, Mn, O, S
All elements listed in formula:H, Mn, O, S

Relationship of Szmikite 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.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.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:

- +
25.9.2Jôkokuite
MnSO
 
4
·5H
 
2
O
25.9.3Mallardite
MnSO
 
4
·7H
 
2
O
25.9.4Manganolangbeinite
K
 
2
Mn
 
2
(SO
 
4
)
 
3
25.9.5Chvaleticeite
(Mn,Mg)SO
 
4
·6H
 
2
O
25.9.6Despujolsite
Ca
 
3
Mn
4+
 
[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
25.9.7Apjohnite
Mn
2+
 
Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O
25.9.8Shigaite
Al
 
4
Mn
 
7
(SO
 
4
)
 
2
(OH)
 
22
·8H
 
2
O
25.9.9Ilesite
(Mn,Zn,Fe)SO
 
4
·4H
 
2
O
25.9.10Mooreite
(Mg,Zn,Mn
2+
 
)
 
15
[(OH)
 
13
|SO
 
4
]
 
2
 · 8H
 
2
O
25.9.11Torreyite
(Mg,Mn
2+
 
)
 
9
Zn
 
4
[(OH)
 
11
|SO
 
4
]
 
2
 · 8H
 
2
O
25.9.12Lawsonbauerite
(Mn
2+
 
,Mg)
 
9
Zn
 
4
[(OH)
 
11
|SO
 
4
]
 
2
 · 8H
 
2
O
25.9.13Dietrichite
(Zn,Fe
2+
 
,Mn
2+
 
)Al
 
2
(SO
 
4
)
 
4
·22H
 
2
O

Other Names for Szmikite

Other Languages:
German:Szmikit
Russian:Ссмикит
Spanish:Szmikita

Other Information

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 Szmikite

Reference List:Schrökinger (1877) Geol. Reichsanst., Verhl.: 115.

Larsen, E.P. and Glenn (1920) American Journal of Science: 50: 233.

Krepelka and Rejha (1931) Coll. Czech. Chem. Comm.: 3: 517.

Krepelka and Rejha (1933) Coll. Czech. Chem. Comm.: 5: 67.

Anorg. Chem. (1961), 307, 226.

Periodico di Mineralogia (1985): 54: 32.

Comptes rendu de l’Académie des sciences de Paris: C 262: 632-635.

Neues Jahrbuch für Mineralogie, Monatshefte (1991): 296-306.

Articles/Blogs about Szmikite

Internet Links for Szmikite

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

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    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.
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    (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.
    Austria
     
    • Styria
      • Koralpe Mts
        • Wies
          • Eibiswald
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Canada
     
    • Yukon Territory
      • Mayo Mining District
        • Galena Hill
          • Calumet
    		No reference listed
    France
     
    • Alsace
      • Haut-Rhin
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
    Japan
     
    • Hokkaido Island
      • Sapporo
    		Encyclopedia of Minerals, 2nd. edition: 842.
    Romania
     
    • Maramures Co.
    		J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003)
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Vorderrhein Valley
        • Disentis
    		Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
    Mineral and/or Locality
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