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Barium-Alumopharmacosiderite

Formula:
Ba(Al,Fe
3+
 
)
 
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 7H
 
2
O (?)
Hardness:2 - 3


Originally reported from Neubulach, Calw, Black Forest, Baden-Württemberg, Germany.

Classification of Barium-Alumopharmacosiderite

IMA status:Discredited 1971
Explanation of status:Inadequate data
Strunz 8th edition ID:7/D.47-30
Nickel-Strunz 10th (pending) edition ID:8.DK.10

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
K : With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
Dana 8th edition ID:42.8.1.4

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : (AB)5(XO4)3Zq·xH2O
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Physical Properties of Barium-Alumopharmacosiderite

Hardness (Mohs):2 - 3

Optical Data of Barium-Alumopharmacosiderite

Type:Uniaxial

Chemical Properties of Barium-Alumopharmacosiderite

Formula:
Ba(Al,Fe
3+
 
)
 
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 7H
 
2
O (?)
Essential elements:Al, As, Ba, H, O
All elements listed in formula:Al, As, Ba, Fe, H, O

Relationship of Barium-Alumopharmacosiderite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.DK.Richelsdorfite
Ca
 
2
Cu
 
5
Sb[Cl|(OH)
 
6
|(AsO
 
4
)
 
4
] · 6H
 
2
O
8.DK.10Alumopharmacosiderite
KAl
 
4
[(OH)
 
4
|(AsO
 
4
)
 
3
] · 6-7H
 
2
O
8.DK.10Bariopharmacosiderite
BaFe
3+
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 5H
 
2
O
8.DK.10Pharmacosiderite
KFe
3+
4
[(OH)
 
4
|(AsO
 
4
)
 
3
] · 6-7H
 
2
O
8.DK.10Natropharmacosiderite
(Na,K)Fe
3+
4
[(OH)
 
4
|(AsO
 
4
)
 
3
] · 6-7H
 
2
O
8.DK.10Barium-zinc-alumopharmacosiderite
(Ba,K)
 
0.5
(Zn,Cu)
 
0.5
(Al,Fe)
 
4
(AsO
 
4
)
 
3
·5H
 
2
O
8.DK.15Burangaite
(Na,Ca
 
0.5
)(Fe
2+
 
,Mg)Al
 
5
[(OH,O)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DK.15Dufrénite
Ca
 
0.5
Fe
2+
 
Fe
3+
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DK.15Natrodufrénite
NaFe
2+
 
(Fe
3+
 
,Al)
 
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DK.15Matioliite
NaMgAl
 
5
[(OH)
 
3
|(PO
 
4
)
 
2
]
 
2
 · 2H
 
2
O
8.DK.15IMA2008-056
NaMn
2+
 
Fe
3+
5
(PO
 
4
)
 
4
(OH)
 
6
·2H
 
2
O
8.DK.20Kidwellite
NaFe
3+
9
[(OH)
 
5
|(PO
 
4
)
 
3
]
 
2
 · 5H
 
2
O
8.DK.25Bleasdaleite
(Ca,Fe
3+
 
)
 
2
Cu
 
5
(Bi,Cu)[(H
 
2
O,OH,Cl)
 
13
|(PO
 
4
)
 
4
]
8.DK.30Matulaite
CaAl
 
18
[(OH)
 
5
|(PO
 
4
)
 
3
]
 
4
 · 28H
 
2
O
8.DK.35Krasnovite
Ba(Al,Mg)[(OH)
 
2
|(PO
 
4
,CO
 
3
)] · H
 
2
O

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 Barium-Alumopharmacosiderite

Reference List:Walenta, K. (1966): Beiträge zur Kenntnis seltener Arsenatminerale unter besonderer Berücksichtigung von Vorkommen des Schwarzwalds. Tschermaks Mineral. Petrogr. Mitt. 11, 121-164.

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    Localities for Barium-Alumopharmacosiderite

    Hide Locality List
    The 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.
    (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
     
    • Baden-Württemberg
      • Black Forest
        • Calw
    		Walenta, K. (1966): Beiträge zur Kenntnis seltener Arsenatminerale unter besonderer Berücksichtigung von Vorkommen des Schwarzwalds. Tschermaks Mineral. Petrogr. Mitt. 11, 121-164; American Mineralogist: 70: 214
        • Lahr
          • Reichenbach
            • Weiler
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 6th Nov 2009 10:42:37