Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (6 online) Mindat Auctions

Bariopharmacosiderite

Big Photo

Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
© Stephan Wolfsried

Show Bariopharmacosiderite Photos (90)
Formula:
BaFe
3+
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 5H
 
2
O
System:TetragonalColour:Brown, yellow, reddish ...
Hardness:2½
Name:In allusion to its composition reflecting the dominant barium and its relationship to pharmacosiderite.


Pharmacosiderite Group.
The tetragonal-pseudocubic Ba-Fe-end member.

Originally called barium-pharmacosiderite; renamed in 2008 (Burke, 2008).

Classification of Bariopharmacosiderite

IMA status:Approved 1990
Strunz 8th edition ID:7/D.47-40
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:42.8.1.3

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
8 : (AB)5(XO4)3Zq·xH2O
Hey's CIM Ref.:20.2.22

20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
mindat.org URL:http://www.mindat.org/min-472.html
Please feel free to link to this page.

Type Occurrence of Bariopharmacosiderite

Type Locality:Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

Physical Properties of Bariopharmacosiderite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:Brown, yellow, reddish brown, green, bluish
Hardness (Mohs):2½
Hardness Data:Estimated
Cleavage:Distinct/Good
(100) and (001), both good
Fracture:Conchoidal
Density (measured):3.05 g/cm3
Density (calculated):3.07 g/cm3

Crystallography of Bariopharmacosiderite

Crystal System:Tetragonal
Class (H-M):4 2m - Scalenohedral
Space Group:P4 2m
Cell Parameters:a = 7.97Å, c = 8.1Å
Ratio:a:c = 1 : 1.016
Unit Cell Volume:V 514.52 ų (Calculated from Unit Cell)
Z:1
X-Ray Powder Diffraction:
d-spacingIntensity
8.06 (9)
4.65 (6)
4.04 (8)
3.28 (10)

Optical Data of Bariopharmacosiderite

Type:Uniaxial (+/-)
RI values: nω = 1.728 nε = 1.718
Maximum Birefringence:δ = 0.010

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

Chemical Properties of Bariopharmacosiderite

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

Relationship of Bariopharmacosiderite to other Species

Member of Group:
Pharmacosiderite Group:
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.10Barium-Alumopharmacosiderite
Ba(Al,Fe
3+
 
)
 
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 7H
 
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
Related Minerals - Hey's Index Grouping:

- +
20.2.1Bearsite
Be
 
2
[OH|AsO
 
4
] · 4H
 
2
O
20.2.2Brassite
MgHAsO
 
4
·4H
 
2
O
20.2.3Rösslerite
MgHAsO
 
4
·7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.2.5Weilite
CaHAsO
 
4
20.2.6Johnbaumite
Ca
 
5
[OH|(AsO
 
4
)
 
3
]
20.2.7Haidingerite
Ca[HAsO
 
4
] · H
 
2
O
20.2.8Pharmacolite
CaHAsO
 
4
·2H
 
2
O
20.2.9Sainfeldite
CaCa
 
2
Ca
 
2
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
20.2.10Vladimirite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 5H
 
2
O
20.2.11Guérinite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
20.2.12Ferrarisite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
20.2.13Rauenthalite
Ca
 
3
[AsO
 
4
]
 
2
 · 10H
 
2
O
20.2.14Phaunouxite
Ca
 
3
[AsO
 
4
]
 
2
 · 11H
 
2
O
20.2.15Mcnearite
NaCa
 
5
[(HAsO
 
4
)
 
4
|AsO
 
4
] · 4H
 
2
O
20.2.16Bergslagite
CaBe[OH|AsO
 
4
]
20.2.17Adelite
CaMg[AsO
 
4
](OH)
20.2.18Talmessite
Ca
 
2
Mg[AsO
 
4
]
 
2
 · 2H
 
2
O
20.2.19Irhtemite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
20.2.20Camgasite
CaMg[OH|AsO
 
4
] · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 11H
 
2
O

Other Names for Bariopharmacosiderite

Synonyms:
Barium-Pharmacosiderite
Other Languages:
German:Barium-Pharmakosiderit
Bariumpharmocosiderit
Spanish:Bariumpharmocosiderita

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 Bariopharmacosiderite

Reference List:Peacor, D. R. and Dunn, P. J. (1985): Sodium-pharmacosiderite, a new analog of pharmacosiderite from Australia and new occurrences of barium-pharmacosiderite. Mineralogical Record, 16, 121-124.

Walenta, K. (1994): Über den Barium-Pharmakosiderit. Aufschluss 45, 73-81. (in German)

Burke, E. A. J. (2008): Tidying up Mineral Names: An IMA scheme for Suffixes, Hyphens and Diacritical Marks. Mineralogical Record, 39, 131-135.

Internet Links for Bariopharmacosiderite

Search Engines:
  • Look for Bariopharmacosiderite on Google
  • Look for Bariopharmacosiderite images on Google
    • External Links:
  • Look for Bariopharmacosiderite on Webmineral
  • Look for Bariopharmacosiderite on Athena Mineralogy
  • Look for Bariopharmacosiderite on Wikipedia
  • Look for Bariopharmacosiderite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Bariopharmacosiderite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Wilensky Fine Minerals
  • The Arkenstone - Fine Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy fine minerals and gemstones from Pala International
  • Buy minerals from Mineralium.com
  • Buy from David K Joyce minerals
  • Buy Minerals and Crystals from Crystalarium.com
  • Lapis Mineral Magazin
  • Search for - Bariopharmacosiderite - on e-Rocks Mineral Sales & Auctions
  • Fine Minerals from Dan Weinrich Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • High-end worldwide specimens & outstanding customer service
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Bariopharmacosiderite

    Show Locality List (100 Items)
    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.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    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: 29th Nov 2009 15:14:57