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Rozenite

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Formula:
FeSO4 · 4H2O
System:
Monoclinic
Colour:
Colourless to white
Hardness:
2 - 3
Member of:
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

Approved
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
29.6.6.1

29 : HYDRATED ACID AND NORMAL SULFATES
6 : AXO4·xH2O
25.10.2

25 : Sulphates
10 : Sulphates of Fe alone
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First Recorded Occurrence of Rozenite

Year of Discovery:
1960

Physical Properties of Rozenite

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°
Max Birefringence:
δ = 0.015 - 0.017
Image 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:
FeSO4 · 4H2O
Essential elements:
All elements listed in formula:

Relationship of Rozenite to other Species

Member of:
Other Members of Group:
Aplowite(Co,Mn,Ni)SO4 · 4H2O
Boyleite(Zn,Mg)SO4 · 4H2O
Ilesite(Mn,Zn,Fe)SO4 · 4H2O
StarkeyiteMgSO4 · 4H2O
7.CB.05Dwornikite(Ni,Fe)SO4 · H2O
7.CB.05GunningiteZnSO4 · H2O
7.CB.05KieseriteMgSO4 · H2O
7.CB.05Poitevinite(Cu,Fe,Zn)SO4 · H2O
7.CB.05SzmikiteMnSO4 · H2O
7.CB.05SzomolnokiteFeSO4 · H2O
7.CB.05CobaltkieseriteCoSO4 · H2O
7.CB.07SanderiteMgSO4 · 2H2O
7.CB.10BonattiteCuSO4 · 3H2O
7.CB.15Aplowite(Co,Mn,Ni)SO4 · 4H2O
7.CB.15Boyleite(Zn,Mg)SO4 · 4H2O
7.CB.15Ilesite(Mn,Zn,Fe)SO4 · 4H2O
7.CB.15StarkeyiteMgSO4 · 4H2O
7.CB.15DrobeciteCdSO4 · 4H2O
7.CB.15CranswickiteMgSO4 · 4H2O
7.CB.20ChalcanthiteCuSO4 · 5H2O
7.CB.20JôkokuiteMnSO4 · 5H2O
7.CB.20PentahydriteMgSO4 · 5H2O
7.CB.20SiderotilFeSO4 · 5H2O
7.CB.25Bianchite(Zn,Fe)SO4 · 6H2O
7.CB.25Chvaleticeite(Mn,Mg)SO4 · 6H2O
7.CB.25FerrohexahydriteFeSO4 · 6H2O
7.CB.25HexahydriteMgSO4 · 6H2O
7.CB.25Moorhouseite(Co,Ni,Mn)SO4 · 6H2O
7.CB.25Nickelhexahydrite(Ni,Mg,Fe)SO4 · 6H2O
7.CB.30RetgersiteNiSO4 · 6H2O
7.CB.35BieberiteCoSO4 · 7H2O
7.CB.35BoothiteCuSO4 · 7H2O
7.CB.35MallarditeMnSO4 · 7H2O
7.CB.35MelanteriteFeSO4 · 7H2O
7.CB.35Zincmelanterite(Zn,Cu,Fe)SO4 · 7H2O
7.CB.35Alpersite(Mg,Cu)[SO4] · 7H2O
7.CB.40EpsomiteMgSO4 · 7H2O
7.CB.40GoslariteZnSO4 · 7H2O
7.CB.40MorenositeNiSO4 · 7H2O
7.CB.45AlunogenAl2(SO4)3 · 17H2O
7.CB.45Meta-alunogenAl2(SO4)3 · 12H2O
7.CB.50AluminocoquimbiteFeAl(SO4)3 · 9H2O
7.CB.55CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
7.CB.55ParacoquimbiteFe2(SO4)3 · 9H2O
7.CB.55Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
7.CB.60KorneliteFe2(SO4)3 · 7H2O
7.CB.65QuenstedtiteFe2(SO4)3 · 10H2O
7.CB.70LauseniteFe2(SO4)3·5H2O
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe23+(SO4)4 · 14H2O
7.CB.80RansomiteCuFe2(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85BíliniteFe2+Fe23+(SO4)4 · 22H2O
7.CB.85Dietrichite(Zn,Fe2+,Mn2+)Al2(SO4)4 · 22H2O
7.CB.85HalotrichiteFeAl2(SO4)4 · 22H2O
7.CB.85PickeringiteMgAl2(SO4)4 · 22H2O
7.CB.85Redingtonite(Fe2+,Mg,Ni)(Cr,Al)2(SO4)4·22H2O
7.CB.85Wupatkiite(Co,Mg,Ni)Al2(SO4)4·22H2O
7.CB.90MeridianiiteMgSO4 · 11H2O
25.10.1SzomolnokiteFeSO4 · H2O
25.10.3SiderotilFeSO4 · 5H2O
25.10.4FerrohexahydriteFeSO4 · 6H2O
25.10.5MelanteriteFeSO4 · 7H2O
25.10.6Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
25.10.7LauseniteFe2(SO4)3·5H2O
25.10.8KorneliteFe2(SO4)3 · 7H2O
25.10.9CoquimbiteFe2-xAlx(SO4)3 · 9H2O, x ~0.5
25.10.10ParacoquimbiteFe2(SO4)3 · 9H2O
25.10.11QuenstedtiteFe2(SO4)3 · 10H2O
25.10.12FerricopiapiteFe5(SO4)6O(OH) · 20H2O
25.10.13MetahohmanniteFe23+(SO4)2O · 4H2O
25.10.14HohmanniteFe23+(SO4)2O · 8H2O
25.10.15ButleriteFe3+(SO4)(OH) · 2H2O
25.10.16ParabutleriteFe3+(SO4)(OH) · 2H2O
25.10.17AmarantiteFe23+(SO4)2O · 7H2O
25.10.18FibroferriteFe3+(SO4)(OH) · 5H2O
25.10.19Hydroniumjarosite(H3O)Fe33+(SO4)2(OH)6
25.10.20RömeriteFe2+Fe23+(SO4)4 · 14H2O
25.10.21BíliniteFe2+Fe23+(SO4)4 · 22H2O
25.10.22CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O

Other Names for Rozenite

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

Other Information

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 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

Localities for Rozenite

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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