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Löweite

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Le Cetine di Cotorniano Mine (Le Cetine Mine; Cetine Mine; Rosia), Chiusdino, Siena Province, Tuscany, Italy
© Leon Hupperichs

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Formula:
Na
 
12
Mg
 
7
(SO
 
4
)
 
13
System:TrigonalColour:Colourless, ...
Lustre:VitreousHardness:2½ - 3
Name:After Alexander Loewe (1808- ?), German chemist.
This page provides mineralogical data about Löweite.

Classification of Löweite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/C.17-10
Nickel-Strunz 10th (pending) edition ID:7.CC.45

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
Dana 8th edition ID:29.4.3.1

29 : HYDRATED ACID AND NORMAL SULFATES
4 : AmBn(XO4)p·xH2O, with (m+n):p < 3:2 and > 1:1
Hey's CIM Ref.:25.3.11

25 : Sulphates
3 : Sulphates of Mg
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Type Occurrence of Löweite

Type Locality:Ischler Salzberg, Perneck, Bad Ischl, Upper Austria, Austria
Geological Setting of type material:Oceanic salt deposit.
Associated Minerals at type locality:
Anhydrite

Physical Properties of Löweite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless, reddish-yellow; colourless in transmitted light
Hardness (Mohs):2½ - 3
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):2.374 - 2.423 g/cm3

Crystallography of Löweite

Crystal System:Trigonal

Optical Data of Löweite

Type:Uniaxial (-)
RI values: nω = 1.490 nε = 1.471
Maximum Birefringence:δ = 0.019

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

Chemical Properties of Löweite

Formula:
Na
 
12
Mg
 
7
(SO
 
4
)
 
13
Essential elements:Mg, Na, O, S
All elements listed in formula:Mg, Na, O, S
Analyical Data:Soluble in water.
Relationship of Löweite to other Species
Related Minerals - Nickel-Strunz Grouping):
7.CC.05Krausite
KFe(SO
 
4
)
 
2
·H
 
2
O
7.CC.10Amarillite
NaFe(SO
 
4
)
 
2
·6H
 
2
O
7.CC.10Tamarugite
NaAl(SO
 
4
)
 
2
·6H
 
2
O
7.CC.15Kalinite
KAl(SO
 
4
)
 
2
·11H
 
2
O Not confirmed
7.CC.15Mendozite
NaAl(SO
 
4
)
 
2
·11H
 
2
O
7.CC.20Lonecreekite
(NH
 
4
)Fe
3+
 
[SO
 
4
]
 
2
 · 12H
 
2
O
7.CC.20Alum-(K)
KAl[SO
 
4
]
 
2
 · 12H
 
2
O
7.CC.20Alum-(Na)
NaAl[SO
 
4
]
 
2
 · 12H
 
2
O
7.CC.20Tschermigite
(NH
 
4
)Al[SO
 
4
]
 
2
 · 12H
 
2
O
7.CC.20Lanmuchangite
Tl
+
 
Al[SO
 
4
]
 
2
 · 12H
 
2
O
7.CC.25Voltaite
K
 
2
Fe
2+
5
Fe
3+
3
Al[SO
 
4
]
 
12
 · 18H
 
2
O
7.CC.25Zincovoltaite
K
 
2
Zn
 
5
Fe
3+
3
Al[SO
 
4
]
 
12
 · 18H
 
2
O
7.CC.30Kröhnkite
Na
 
2
Cu(SO
 
4
)
 
2
·2H
 
2
O
7.CC.35Ferrinatrite
Na
 
3
Fe(SO
 
4
)
 
3
·3H
 
2
O
7.CC.40Goldichite
KFe(SO
 
4
)
 
2
·4H
 
2
O
7.CC.50Blödite
Na
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
7.CC.50Nickelblödite
Na
 
2
(Ni,Mg)(SO
 
4
)
 
2
·4H
 
2
O
7.CC.50Changoite
Na
 
2
Zn(SO
 
4
)
 
2
·4H
 
2
O
7.CC.50Zincblödite
7.CC.55Leonite
K
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
7.CC.55Mereiterite
K
 
2
Fe(SO
 
4
)
 
2
·4H
 
2
O
7.CC.60Boussingaultite
(NH
 
4
)
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
7.CC.60Cyanochroite
K
 
2
Cu(SO
 
4
)
 
2
·6H
 
2
O
7.CC.60Konyaite
Na
 
2
Mg(SO
 
4
)
 
2
·5H
 
2
O
7.CC.60Mohrite
(NH
 
4
)
 
2
Fe(SO
 
4
)
 
2
·6H
 
2
O
7.CC.60Nickelboussingaultite
(NH
 
4
)
 
2
Ni(SO
 
4
)
 
2
·6H
 
2
O
7.CC.60Picromerite
K
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
7.CC.65Polyhalite
K
 
2
Ca
 
2
Mg(SO
 
4
)
 
4
·2H
 
2
O
7.CC.65Wattevilleite
Na
 
2
Ca(SO
 
4
)
 
2
·4H
 
2
O (?)
7.CC.70Leightonite
K
 
2
Ca
 
2
Cu(SO
 
4
)
 
4
·2H
 
2
O
Related Minerals - Hey's Index Grouping:
25.3.1Kieserite
MgSO
 
4
·H
 
2
O
25.3.2Sanderite
MgSO
 
4
·2H
 
2
O
25.3.3Starkeyite
MgSO
 
4
·4H
 
2
O
25.3.4Pentahydrite
MgSO
 
4
·5H
 
2
O
25.3.5Hexahydrite
MgSO
 
4
·6H
 
2
O
25.3.6Epsomite
MgSO
 
4
·7H
 
2
O
25.3.7Caminite
Mg
 
7
[(OH)
 
4
|(SO
 
4
)
 
5
] · H
 
2
O
25.3.8Vanthoffite
Na
 
6
Mg(SO
 
4
)
 
4
25.3.9Blödite
Na
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
25.3.10Konyaite
Na
 
2
Mg(SO
 
4
)
 
2
·5H
 
2
O
25.3.12Uklonskovite
NaMg[F|SO
 
4
] · 2H
 
2
O
25.3.13Langbeinite
K
 
2
Mg
 
2
(SO
 
4
)
 
3
25.3.14Leonite
K
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
25.3.15Picromerite
K
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
25.3.16Efremovite
(NH
 
4
)
 
2
Mg
 
2
(SO
 
4
)
 
3
25.3.17Boussingaultite
(NH
 
4
)
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
25.3.18Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
Other Names for Löweite
Synonyms:
LoewiteLœweite
German names:
LoewitLöweitLœweit
Russian names:
Левеит
Spanish names:
LoewitaLöweitaLœweita
Varieties:
Chile-LoeweiteChromlöweite
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 Löweite
Reference List:Haidinger (1847) Böhm. Ges., Abh. (5): 4: 663.



Görgey (1909) Mineralogische und petrographische Mitteilungen, Vienna: 28: 343.



Görgey (1910) Mineralogische und petrographische Mitteilungen, Vienna: 29: 198.



Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 446-447.



American Mineralogist (1970): 55: 378-386.


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    Localities for Löweite
    
	






    


    

    
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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
     
    

    • Salzburg
    

      • Hallein
    

        • Dürrnberg
    
    		A. Strasser: Die Minerale Salzburgs, 1989
    

    • Styria
    

      • Bad Aussee
    

        • Altaussee
    
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    


      • Ennstaler Alpen Mts
    

        • Admont
    
    		Meixner, H. (1977); R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    

    • Tyrol
    

      • North Tyrol
    

        • Inn valley
    

          • Innsbruck
    

            • Hall
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 447; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    

    • Upper Austria
    

      • Bad Ischl
    

        • Perneck
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 447; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    


      • Hallstatt
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 447; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    China
     
    

    • Hubei Province
    

      • Qianjiang Co.
    
    		Anthony, J.W. et al.: Handbook of Mineralogy
    

    • Xinjiang (Xinjiang-Uygur) Autonomous Region
    

      • Bayin'gholin (Bayingolin; Bayinguoleng) Autonomous Prefecture
    

        • Ruoqiang (Qakilik; Chaqiliq) Co.
    
    		Wang Mili, Pu Qingyu, Liu Chenglin, and Chen Yongzhi (2000): Acta Geologica Sinica 74(2), 273-278.
    Germany
     
    

    • Hesse
    

      • Fulda
    

        • Neuhof
    

          • Giesel
    
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    



Krah, O., (1988): Beobachtungen beim Durchbruch eines Basaltganges durch das Kalilager vom Werk Neuhof-Ellers, Der Aufschluss Vol. 39 (2), 103-113
    


      • North Hesse
    

        • Werra Valley
    

          • Heringen
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    




          • Phillippsthal
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    

    • Saxony-Anhalt
    

      • Stassfurt Potash deposit
    

        • Stassfurt
    
    		Dana 6:A3:14,43,46; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 430, 447; Zr. Kr. (1911): 50: 139.
    

    • Thuringia
    

      • Thuringian Forest
    

        • Bad Salzungen
    
    		W.I. Borrisenkow (1968) Zeitschr. für angewandte Geologie 14, 7-10
    Poland
     
    

    • Wielkopolskie
    
    		Jirásek, J.: Solný důl Kłodawa (Polsko). Minerál, 2004, roč. 12, č. 2, s. 98-102. ISSN 1213-0710 (excerpted from unpublished thesis Hanczke, T.: Mineralogia i petrografia soli czechstyńskich kopalni "Kłodawa". Doktroská práce, Uniwersytet Jagiellonski, Instytut nauk geologicznych, 1967.)
    USA
     
    

    • Colorado
    

      • Mesa Co.
    
    		Minerals of Colorado (1997) Eckel, E. B.
    

    • New Mexico
    

      • Eddy Co.
    
    		Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
    

    


    

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