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Sabieite

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Carola Mine, Freital, Dresden, Saxony, Germany
© Thomas Witzke

Formula:
NH
 
4
Fe(SO
 
4
)
 
2
System:TrigonalColour:White
Hardness:2
Name:Named after its discovery locality.
This page provides mineralogical data about Sabieite.

Classification of Sabieite

IMA status:Approved
Strunz 8th edition ID:6/A.05-20
Nickel-Strunz 10th (pending) edition ID:7.AC.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
C : With medium-sized and large cations
Dana 8th edition ID:28.3.5.1

28 : ANHYDROUS ACID AND NORMAL SULFATES
3 : AXO4
Hey's CIM Ref.:25.11.13

25 : Sulphates
11 : Sulphates of Fe and other metals
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Type Occurrence of Sabieite

Type Locality:Lone Creek Falls cave, Sabie, Pilgrim's Rest District, Mpumalanga Province, South Africa
Year of Discovery:1983

Occurrences of Sabieite

Geological Setting:Dehydration product of lonecreekite.

Physical Properties of Sabieite

Lustre:Earthy
Comment:Semitransparent
Colour:White
Hardness (Mohs):2
Density (calculated):2.36 g/cm3

Crystallography of Sabieite

Crystal System:Trigonal
Class (H-M):3 2 - Trapezohedral
Space Group:P3 2 1
Cell Parameters:a = 4.822Å, c = 8.1696Å
Ratio:a:c = 1 : 1.694
Unit Cell Volume:V 164.51 ų (Calculated from Unit Cell)
Z:1
Morphology:Thin platelets.
Comment:By analogy to synthetic material.

Optical Data of Sabieite

Type:Uniaxial (+)
RI values: nω = 1.578 nε = 1.595
Maximum Birefringence:δ = 0.017

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

Chemical Properties of Sabieite

Formula:
NH
 
4
Fe(SO
 
4
)
 
2
Essential elements:Fe, H, N, O, S
All elements listed in formula:Fe, H, N, O, S
Empirical Formula:
NH
 
4
Fe
3+
 
(SO
 
4
)
 
2

Relationship of Sabieite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.AC.05Vanthoffite
Na
 
6
Mg(SO
 
4
)
 
4
7.AC.10Efremovite
(NH
 
4
)
 
2
Mg
 
2
(SO
 
4
)
 
3
7.AC.10Langbeinite
K
 
2
Mg
 
2
(SO
 
4
)
 
3
7.AC.10Manganolangbeinite
K
 
2
Mn
 
2
(SO
 
4
)
 
3
7.AC.15Yavapaiite
KFe(SO
 
4
)
 
2
7.AC.15IMA2007-051
NaFe
3+
 
(SO
 
4
)
 
2
7.AC.20Godovikovite
NH
 
4
(Al,Fe)(SO
 
4
)
 
2
7.AC.25Thenardite
Na
 
2
SO
 
4
7.AC.30Metathenardite
7.AC.35Aphthitalite
(K,Na)
 
3
Na(SO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:
25.11.1Natrojarosite
NaFe
 
3
[(OH)
 
3
|SO
 
4
]
 
2
25.11.2Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
OH·3H
 
2
O
25.11.3Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
·2H
 
2
O
25.11.4Ferrinatrite
Na
 
3
Fe(SO
 
4
)
 
3
·3H
 
2
O
25.11.5Amarillite
NaFe(SO
 
4
)
 
2
·6H
 
2
O
25.11.6Yavapaiite
KFe(SO
 
4
)
 
2
25.11.7Krausite
KFe(SO
 
4
)
 
2
·H
 
2
O
25.11.8Goldichite
KFe(SO
 
4
)
 
2
·4H
 
2
O
25.11.9Jarosite
KFe
3+
 
 
3
[(OH)
 
3
|SO
 
4
]
 
2
25.11.10Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al[SO
 
4
]
 
12
 · 18H
 
2
O
25.11.11Ungemachite
K
 
3
Na
 
8
Fe(SO
 
4
)
 
6
(NO
 
3
)
 
2
·6H
 
2
O
25.11.12Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
·18H
 
2
O
25.11.14Ammoniojarosite
(NH
 
4
)Fe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
25.11.15Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
·3H
 
2
O
25.11.16Mohrite
(NH
 
4
)
 
2
Fe(SO
 
4
)
 
2
·6H
 
2
O
25.11.17Lonecreekite
(NH
 
4
)Fe
3+
 
[SO
 
4
]
 
2
 · 12H
 
2
O
25.11.18Godovikovite
NH
 
4
(Al,Fe)(SO
 
4
)
 
2
25.11.19Botryogen
MgFe
3+
 
[OH|(SO
 
4
)
 
2
] · 7H
 
2
O
25.11.21Slavíkite
NaMg
 
2
Fe
 
5
(SO
 
4
)
 
7
(OH)
 
6
·33H
 
2
O
25.11.23Sturmanite
Ca
 
6
(Fe
3+
 
,Al,Mn
3+
 
)
 
2
[(OH)
 
12
|B(OH)
 
4
|(SO
 
4
)
 
2
] · 25H
 
2
O
25.11.24Millosevichite
(Al,Fe)
 
2
(SO
 
4
)
 
3
25.11.25Aluminocopiapite
Al
 
2/3
Fe
3+
4
[OH|(SO
 
4
)
 
3
]
 
2
 · 20H
 
2
O
25.11.26Halotrichite
FeAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
25.11.27Idrizite
(Mg,Fe)(Al,Fe)
 
2
(SO
 
4
)
 
3
(OH)
 
2
·15H
 
2
O or near
25.11.28Lishizhenite
ZnFe
 
2
(SO
 
4
)
 
4
·14H
 
2
O
25.11.29Zincovoltaite
K
 
2
Zn
 
5
Fe
3+
3
Al[SO
 
4
]
 
12
 · 18H
 
2
O

Other Names for Sabieite

Synonyms:
IMA1982-088
German names:
Sabieit
Spanish names:
Sabieita

Other Information

Other Information:Slowly soluble in water.
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 Sabieite

Reference List:Martini, J. E. J. (1984): Lonecreekite, sabieite, and clairite, new secondary ammonium ferric-iron sulfates from Lone Creek Fall cave, near Sabie, eastern Transvaal. Annals of the Geological Survey (South Africa), 17, 29-34.

American Mineralogist (1986): 71: 229.

Internet Links for Sabieite

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    Localities for Sabieite

    (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.
    Germany
     
    • Saxony
      • Dresden
        • Freital
    		XRD and SEM-EDX analysis (T. Witzke)
    • Thuringia
      • Gera
        • Ronneburg U deposit
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Hungary
     
    • Baranya Co.
      • Mecsek Mts.
        • Komló
    		Geoda 2007/1
    South Africa
     
    • Mpumalanga Province
      • Pilgrim's Rest District
        • Sabie
    		Ann.Geol.Surv.S.Africa,(1983) 17, 29-34
    Mineral and/or Locality
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