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Arsenbrackebuschite

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Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
© Gerhard Niceus

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Formula:
Pb
 
2
(Fe
3+
 
,Zn
2+
 
)[(OH,H
 
2
O)|(AsO
 
4
)
 
2
]
System:MonoclinicLustre:Adamantine
Hardness:4½
This page provides mineralogical data about Arsenbrackebuschite.

Classification of Arsenbrackebuschite

IMA status:Approved
Strunz 8th edition ID:7/B.24-40
Nickel-Strunz 10th (pending) edition ID:8.BG.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
G : With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1
Dana 8th edition ID:40.2.8.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
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Type Occurrence of Arsenbrackebuschite

Co-type Localities:Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Year of Discovery:1978

Physical Properties of Arsenbrackebuschite

Lustre:Adamantine
Hardness (Mohs):4½

Crystallography of Arsenbrackebuschite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m {P1 1 21/m} {P21/m} {P1 21/m 1}
Cell Parameters:a = 7.76Å, b = 6.04Å, c = 9.02Å
β = 112.5°
Ratio:a:b:c = 1.285 : 1 : 1.493
Unit Cell Volume:V 390.59 ų (Calculated from Unit Cell)

Optical Data of Arsenbrackebuschite

Type:Biaxial (-)
Dispersion:relatively weak

Chemical Properties of Arsenbrackebuschite

Formula:
Pb
 
2
(Fe
3+
 
,Zn
2+
 
)[(OH,H
 
2
O)|(AsO
 
4
)
 
2
]
Essential elements:As, Fe, H, O, Pb
All elements listed in formula:As, Fe, H, O, Pb, Zn

Relationship of Arsenbrackebuschite to other Species

Member of Group:
Brackebuschite Group:
M
2+
2
M
3+
 
[OH|(TO
 
4
)
 
2
]
Related Minerals - Nickel-Strunz Grouping):

- +
8.BG.05Arsentsumebite
Pb
 
2
Cu[OH|SO
 
4
|AsO
 
4
]
8.BG.05Bearthite
Ca
 
2
Al[OH|(PO
 
4
)
 
2
]
8.BG.05Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Goedkenite
(Sr,Ca)
 
2
Al[OH|(PO
 
4
)
 
2
]
8.BG.05UM1994-19-PO:CuHMoPb
Pb
 
2
CuOHPO
 
4
(Mo,As,Cr,Ga)O
 
4
8.BG.05Tsumebite
Pb
 
2
Cu[OH|SO
 
4
|PO
 
4
]
8.BG.05Feinglosite
Pb
 
2
(Zn,Fe
2+
 
)[OH|SO
 
4
|AsO
 
4
]
8.BG.05Bushmakinite
Pb
 
2
Al[OH|PO
 
4
|VO
 
4
]
8.BG.05Tokyoite
Ba
 
2
(Mn
3+
 
,Fe
3+
 
)[OH|(VO
 
4
)
 
2
]
8.BG.05Calderónite
Pb
 
2
Fe
3+
 
[OH|(VO
 
4
)
 
2
]
8.BG.10Mélonjosephite
CaFe
2+
 
Fe
3+
 
[OH|(PO
 
4
)
 
2
]
8.BG.15Tancoite
LiNa
 
2
Al[OH|HPO
 
4
|PO
 
4
]

Other Names for Arsenbrackebuschite

Synonyms:
ArsenbrackenbuschiteIMA1977-014
Other Languages:
German:Arsenbrackebuschit
Arsenbrackenbuschit
Russian:Арсенбракебушит
Spanish:Arsenbrackebuschita
Arsenbrackenbuschita

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 Arsenbrackebuschite

Reference List:American Mineralogist: 63: 1282.

Abraham, K., Kautz, K., Tillmanns, E. and Walenta, K. (1978): Arsenbrackebuschite, Pb2(Fe,Zn)(OH,H2O)[AsO4]2, a new arsenate mineral. Neues Jahrb. Mineral., Monatsh. 1978, 193-196.

Tschermaks Mineralogische und Petrographische Mitteilungen: 25: 153-163.

Internet Links for Arsenbrackebuschite

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    Localities for Arsenbrackebuschite

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