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Rozenite

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Formula:
FeSO
 
4
· 4H
 
2
O
System:MonoclinicColour:Colourless to white
Hardness:2 - 3
Member of:Rozenite Group
Name:Named after Zygmunt Rozen, mineralogist and petrographer at the Academy of Mining and Metallurgy.


A common alteration product of iron sulphides (pyrite, marcasite, pyrrhotite).

Classification of Rozenite

IMA status:Approved
Strunz 8th edition ID:6/C.03-20
Nickel-Strunz 10th (pending) edition ID:7.CB.15

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:29.6.6.1

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
Hey's CIM Ref.:25.10.2

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

Type Locality:Ornak Mountain, Western Tatra Mts, Małopolskie, Poland
Year of Discovery:1960

Physical Properties of Rozenite

Lustre:Dull
Colour:Colourless to white
Hardness (Mohs):2 - 3

Crystallography of Rozenite

Crystal System:Monoclinic
Cell Parameters:a = 5.79Å, b = 13.65Å, c = 7.97Å
β = 90.43°
Ratio:a:b:c = 0.424 : 1 : 0.584
Unit Cell Volume:V 629.88 ų (Calculated from Unit Cell)

Optical Data of Rozenite

Type:Biaxial (-)
RI values: nα = 1.526 - 1.528 nβ = 1.536 - 1.537 nγ = 1.541 - 1.545
2V:Measured: 90° , Calculated: 70° to 86°
Maximum Birefringence:δ = 0.015 - 0.017

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

Chemical Properties of Rozenite

Formula:
FeSO
 
4
· 4H
 
2
O
Simplified for copy/paste:FeSO4·4H2O
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S

Relationship of Rozenite to other Species

Member of:Rozenite Group
Other Members of Group:

- +
Aplowite
(Co,Mn,Ni)SO
 
4
· 4H
 
2
O
Boyleite
(Zn,Mg)SO
 
4
· 4H
 
2
O
Ilesite
(Mn,Zn,Fe)SO
 
4
· 4H
 
2
O
Starkeyite
MgSO
 
4
· 4H
 
2
O
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.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.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:

- +
25.10.1Szomolnokite
FeSO
 
4
· H
 
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
25.10.11Quenstedtite
Fe
 
2
(SO
 
4
)
 
3
· 10H
 
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 Rozenite

Other Languages:
German:Rozenit
Russian:Роценит
Simplified Chinese:四水白铁矾
Spanish:Rozenita
Traditional Chinese:四水白鐵礬

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 Rozenite

Reference List:

- +
Jambor, J.L. and Traill, R.J. (1963) On rozenite and siderotil. Canadian Mineralogist: 7: 751-763.

American Mineralogist (1964): 49: 820.

Acta Crystallographica: 15: 815-826.

Bayliss, P. (1987): Mineral nomenclature: rozenite. Mineral. Mag., 51, 176.

Peterson, R.C. (2003): Dehydration of mine waste. The relationship among melanterite FeSO4·7H2O, siderotil FeSO4·5H2O and rozenite FeSO4·4H2O. Geological Association of Canada-Mineralogical Association of Canada-Society of Economic Geologists Abstracts Volume 28: 134-135.

Internet Links for Rozenite

Search Engines:
  • Look for Rozenite on Google
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  • External Links:
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  • Look for Rozenite on Athena Mineralogy
  • Look for Rozenite on Wikipedia
  • Look for Rozenite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Rozenite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Rozenite specimens for sale - minfind.com
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  • Localities for Rozenite

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