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Rozenite

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Formula:
FeSO4 · 4H2O
Colour:
Colourless to white, pale green
Lustre:
Vitreous, Dull
Hardness:
2 - 3
Specific Gravity:
2.293
Crystal System:
Monoclinic
Member of:
Name:
Named after Zygmunt Rozenn (1874–1936), mineralogist and petrographer, Academy of Mining and Metallurgy, Kracow, Poland.
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

Physical Properties of Rozenite

Vitreous, Dull
Transparency:
Translucent
Colour:
Colourless to white, pale green
Streak:
White
Hardness:
2 - 3 on Mohs scale
Density:
2.293 g/cm3 (Measured)    2.29 g/cm3 (Calculated)

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
IMA Formula:
Fe2+SO4 · 4H2O

Crystallography of Rozenite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 5.979(4) Å, b = 13.648(4) Å, c = 7.977(3) Å
β = 90.26(10)°
Ratio:
a:b:c = 0.438 : 1 : 0.584
Unit Cell V:
650.93 ų (Calculated from Unit Cell)
Z:
4

Type Occurrence of Rozenite

Place of Conservation of Type Material:
Academy of Mining and Metallurgy, Kracow, Poland.

Other Language Names for Rozenite

German:Rozenit
Simplified Chinese:四水白铁矾
Spanish:Rozenita
Traditional Chinese:四水白鐵礬

Relationship of Rozenite to other Species

Member of:
Other Members of this group:
Aplowite(Co,Mn,Ni)SO4 · 4H2O
Boyleite(Zn,Mg)SO4 · 4H2O
Ilesite(Mn,Zn,Fe)SO4 · 4H2O
StarkeyiteMgSO4 · 4H2O

Common Associates

EpsomiteMgSO4 · 7H2O
GypsumCaSO4 · 2H2O
JarositeKFe3+ 3(SO4)2(OH)6
Limonite(Fe,O,OH,H2O)
MarcasiteFeS2
MelanteriteFeSO4 · 7H2O
PyriteFeS2
SulphurS8
Associated Minerals Based on Photo Data:
Pyrite8 photos of Rozenite associated with Pyrite on mindat.org.
Marcasite7 photos of Rozenite associated with Marcasite on mindat.org.
Melanterite4 photos of Rozenite associated with Melanterite on mindat.org.
Tetrahedrite3 photos of Rozenite associated with Tetrahedrite on mindat.org.
Bournonite3 photos of Rozenite associated with Bournonite on mindat.org.
Arsenopyrite3 photos of Rozenite associated with Arsenopyrite on mindat.org.
Galena2 photos of Rozenite associated with Galena on mindat.org.
Sulphur1 photo of Rozenite associated with Sulphur on mindat.org.
Halotrichite1 photo of Rozenite associated with Halotrichite on mindat.org.
Bílinite1 photo of Rozenite associated with Bílinite on mindat.org.

Related Minerals - Nickel-Strunz Grouping

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 · 11H2O
7.CB.70LauseniteFe2(SO4)3·5H2O
7.CB.75LishizheniteZnFe2(SO4)4 · 14H2O
7.CB.75RömeriteFe2+Fe3+2(SO4)4 · 14H2O
7.CB.80RansomiteCuFe2(SO4)4 · 6H2O
7.CB.85ApjohniteMn2+Al2(SO4)4 · 22H2O
7.CB.85BíliniteFe2+Fe3+2(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

Related Minerals - Hey's Chemical Index of Minerals Grouping

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 · 11H2O
25.10.12FerricopiapiteFe5(SO4)6O(OH) · 20H2O
25.10.13MetahohmanniteFe3+2(SO4)2O · 4H2O
25.10.14HohmanniteFe3+2(SO4)2O · 8H2O
25.10.15ButleriteFe3+(SO4)(OH) · 2H2O
25.10.16ParabutleriteFe3+(SO4)(OH) · 2H2O
25.10.17AmarantiteFe3+2(SO4)2O · 7H2O
25.10.18FibroferriteFe3+(SO4)(OH) · 5H2O
25.10.19Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6
25.10.20RömeriteFe2+Fe3+2(SO4)4 · 14H2O
25.10.21BíliniteFe2+Fe3+2(SO4)4 · 22H2O
25.10.22CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2O

Related Minerals - Dana Grouping (8th Ed.)

29.6.6.2StarkeyiteMgSO4 · 4H2O
29.6.6.3Ilesite(Mn,Zn,Fe)SO4 · 4H2O
29.6.6.4Aplowite(Co,Mn,Ni)SO4 · 4H2O
29.6.6.5Boyleite(Zn,Mg)SO4 · 4H2O
29.6.6.7CranswickiteMgSO4 · 4H2O
29.6.6.8MeridianiiteMgSO4 · 11H2O

Other Information

Notes:
Soluble in H2O
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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

mindat.org URL:
https://www.mindat.org/min-3469.html
Please feel free to link to this page.

Localities for Rozenite

Mineral and/or Locality  
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