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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.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.

Articles/Blogs about Barium-Alumopharmacosiderite

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    Localities for Barium-Alumopharmacosiderite

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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.
    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
        • 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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