Barium-zinc-alumopharmacosiderite Mineral Data

Barium-zinc-alumopharmacosiderite Mineral Data

General Barium-zinc-alumopharmacosiderite Information

Chemical Formula:

(Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3·5(H2O)

Composition:

Molecular Weight = 689.30 gm

Potassium 0.28 % K 0.34 % K₂O

Barium 3.98 % Ba 4.45 % BaO

Aluminum 11.74 % Al 22.19 % Al₂O₃

Zinc 1.90 % Zn 2.36 % ZnO

Iron 8.10 % Fe 11.58 % Fe₂O₃

Copper 0.46 % Cu 0.58 % CuO

Arsenic 32.61 % As 50.02 % As₂O₅

Hydrogen 1.46 % H 13.07 % H₂O

Oxygen 39.46 % O

______ ______

100.00 % 104.58 % = TOTAL OXIDE

Empirical Formula:

0.5(Ba_0.4)0.5(K_0.1)0.5(Zn_0.4)0.5(Cu_0.1)Al₃Fe³⁺(AsO₄)₃·5(H₂O)

IMA Status:

Not Approved IMA

Locality:

Link to MinDat.org Location Data.

Search for Barium-zinc-alumopharmacosiderite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Barium-zinc-alumopharmacosiderite Crystallography

Axial Ratios:

a:c = 1:1.01285

Cell Dimensions:

a = 15.476, c = 15.675, Z = 6; V = 3,754.27 Den(Calc)= 1.83

Crystal System:

Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: I 42m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.736(1), 7.824(1), 2.754(0.6),

Physical Properties of Barium-zinc-alumopharmacosiderite

Color:

Colorless, Yellow.

Density:

2.8

Diaphaniety:

Transparent

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Optical Properties of Barium-zinc-alumopharmacosiderite

Gladstone-Dale:

CI meas= 0.077 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.413 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3093,KPDmeas= 0.2021,KC= 0.2189

Optical Data:

Uniaxial (-), e=1.56, w=1.572, bire=0.0120.

Calculated Properties of Barium-zinc-alumopharmacosiderite

Electron Density:

r_electron=2.68 gm/cc
note: r_{Barium-zinc-alumopharmacosiderite}=2.80 gm/cc.

Fermion Index

Fermion Index = 0.00978
Boson Index = 0.99022

Photoelectric:

PE_{Barium-zinc-alumopharmacosiderite}= 42.80 barns/electron
U=PE_{Barium-zinc-alumopharmacosiderite} x r_electron= 114.61 barns/cc.

Radioactivity:

GRapi = 3.92 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Barium-zinc-alumopharmacosiderite - barely detectable

Barium-zinc-alumopharmacosiderite Classification

Dana Class:

37.0.0.0 (37)Phosphate Minerals

(37.0)Without Dana Classification Numbers

(Arsenate, Hydrated)

Strunz Class:

VII/X.00-00 VII - Phosphates, Arsenates and Vanadates

VII/X - Unclassified Strunz Phosphates, Arsenates and Vanadates

VII/X.00 - Arsenate, Hydrated

Other Barium-zinc-alumopharmacosiderite Information

References:

PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)

See Also:

Links to other databases for Barium-zinc-alumopharmacosiderite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch) 9 -QUT Mineral Atlas

Search for Barium-zinc-alumopharmacosiderite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Barium-zinc-alumopharmacosiderite :
AA Mineral Specimens
A-Rocks Auction
Adams Minerals
B and L Minerals
Dakota Matrix
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Minernet.it
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Barium-zinc-alumopharmacosiderite Mineral Data :

Ask about Barium-zinc-alumopharmacosiderite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Barium-zinc-alumopharmacosiderite Specimen Label here :

Barium-zinc-alumopharmacosiderite

(Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3·5(H2O)
Dana No: Unknown Strunz No: VII/X.00-00
Locality:

Notes: